BS EN ISO 1452-2 2009 PlastICS pipingsystems for watersupply and for buriedand above-grounddrainage and sewerageunder pressure-Unplasticizedpoly（vinyl chloride）（PVC-U） Part 2 Pipes （ISO 1452-22009）.pdf PDF 571.65KB 32页 BS EN ISO 3506-1 2020 Fasteners. Mechanical properties of corrosion-resistant stainless steel fasteners - Bolts, screws and studs with specified grades and property classes.pdf PDF 1.23MB 48页 BS EN 1015-11 2019 Methods of test for mortar for masonry. Determination of flexural and compressive strength of hardened mortar.pdf PDF 677.53KB 18页 BS EN 12620 2002/A1 2008 Aggregates for concrete.pdf PDF 670.47KB 60页 EN 50561-1 2013 Power line communication apparatus used in low-voltage installations - Radio disturbance characteristICS - Limits and methods of measurement - Part 1 Apparatus for in-home use.pdf PDF 342.55KB 25页 BS EN 12504-4-2021 结构中的混凝土试验. 第4部分 超音波脉冲速率的测定.pdf PDF 8.36MB 18页 BS EN ISO 8503-2 2012 Part 2 Method for the grading of surface profile of abrasive blast-cleaned steel — Comparator procedure.pdf PDF 214.5KB 16页 BS EN IEC 60974-11 2021 Arc welding equipment - Electrode holders.pdf PDF 849.64KB 22页 EN 12390-16 2019 Testing hardened concrete - Part 16 Determination of the shrinkage of concrete.pdf PDF 462.38KB 16页 BS EN 1993-1-1 2005/A1 2014 Eurocode 3. Design of steel structures - General rules and rules for buildings.pdf PDF 1.93MB 96页 BS EN ISO 1452-1 2009 PlastICS pipingsystems for watersupply and for buriedand above-grounddrainage and sewerageunder pressure-Unplasticizedpoly（vinyl chloride）（PVC-U） Part 1 General（ISO 1452-12009）.pdf PDF 508.43KB 20页 BS EN 681-2 2000 Elastomeric seals. Material requirements for pipe joint seals used in water and drainage applications. Thermoplastic elastomers.pdf PDF 351.43KB 24页 EN 50173-6 2018 Information technology - Generic cabling systems - Part 6 Distributed building services.pdf PDF 3.96MB 56页 BS EN ISO 4629-3-2020 油漆和清漆的粘合剂 羟值的测定-快速测试.pdf PDF 4.25MB 11页 BS EN 1092-1 2018 Flanges and their joints. Circular flanges for pipes, valves, fittings and accessories, PN designated - Steel flanges.pdf PDF 3.79MB 152页 BS EN 14705-2005 热交换器.湿冷却塔热性能的评价和测量方法.pdf PDF 899.38KB 66页 NF EN 12272-1-2003 Surface dressing - Test methods - Part 1 rate of spread and accuracy of spread of binders and chippings - Enduits superficiels d\'usure.pdf PDF 8.89MB 31页 BS EN 1092-1-2007 法兰及其连接 按PN标注的管、阀门、配件及其附件用圆形法兰 第1部分：钢法兰Flanges and their joints - Circular flanges for pipes valves fittings and accessories PN designated - Part 1 Steel flanges.pdf PDF 3.57MB 126页 NF EN 13036-4-2012 Road and airfield surface characteristICS - Test methods - Part 4 method for measurement of slip skid resistance of a surface the pendulum test - Caract¨¦ristiques de surface des routes et a¨¦roports.pdf PDF 1017.8KB 36页 BS EN 10217-1 2019 Welded steel tubes for pressure purposes - Technical delivery conditions. Part 1 Electric welded and submerged arc welded non-alloy steel tubes with specified room temperature properties.pdf PDF 1.07MB 50页 NF EN ISO 17892-3-2015 Geotechnicalinvestigation and testing -Laboratory testing of soil-Part 3 determination of particle density.pdf PDF 5.18MB 26页 BS EN ISO 683-4 2018 Heat-treatable steels, alloy steels and free-cutting steels - Free-cutting steels.pdf PDF 855.2KB 30页 EN ISO 17636-1 2013 Non-destructive testing of welds - Radiographic testing - Part 1 X- and gamma-ray techniques with film.pdf PDF 891.29KB 42页 BS EN ISO 683-3 2019 Heat-treatable steels, alloy steels and free-cutting steels - Case-hardening steels.pdf PDF 1.07MB 46页 BS EN ISO 9015-1 2011 Destructive tests on welds in metallic materials. Hardness testing. Hardness test on arc welded joints.pdf PDF 883.79KB 24页 EN 50173-1 2018 Information technology - Generic cabling systems - Part 1 General requirements.pdf PDF 3.53MB 184页 BS EN 12504-2 2021 Testing concrete in structures - Non-destructive testing. Determination of rebound number.pdf PDF 1.04MB 18页 BS EN 1778-2000 焊接热塑结构特征值.热塑设备的设计模和允许应力测定.pdf PDF 2.97MB 56页 BS EN 10088-1 2014 Stainless steels - List of stainless steels.pdf PDF 1.71MB 72页 BS EN ISO 2063-1 2019 热喷涂-锌、铝及其合金 第一部分:设计考虑和质量要求 用于腐蚀保护系统（英文版） Thermal spraying. Zinc, aluminium and their alloys - Design considerations and quality requirements for corrosion protection systems.pdf PDF 1.21MB 38页 BS EN IEC 60974-13 2021 Arc welding equipment - Welding current return clamp.pdf PDF 842.58KB 20页 BS EN ISO 9015-2 2016 Destructive tests on welds in metallic materials. Hardness testing. Microhardness testing of welded joints.pdf PDF 1.23MB 18页 NF EN 1317-5/A2-2012 Road restraint systems - Part 5 product requirements and evaluation of conformity for vehicle restraint systems.pdf PDF 551.13KB 48页 EN 50173-2 2018 Information technology - Generic cabling systems - Part 2 Office spaces.pdf PDF 2.95MB 40页 BS EN 13791 2019 Assessment of in-situ compressive strength in structures and precast concrete components.pdf PDF 1.02MB 52页 EN 55032 2015 Electromagnetic compatibility of multimedia equipment - Emission Requirements.pdf PDF 1.61MB 108页 BS EN 1337-4 2004 Structural bearings - Roller bearings.pdf PDF 355.24KB 34页 BS EN ISO 17892-9 2018 Geotechnical investigation and testing. Laboratory testing of soil. Consolidated triaxial compression tests on water saturated soils 岩土调查和测试.土壤的实验室测试.在水饱和土壤上进行固结三轴压缩试验.pdf PDF 1.14MB 34页 EN 12390-1 2012 Testing hardened concrete - Part 1 Shape, dimensions and other requirements for specimens and moulds.pdf PDF 1006.13KB 18页 BS EN 10311 2005 Joints for the connection of steel tubes and fittings for the conveyance of water and other aqueous liquids.pdf PDF 334.21KB 30页 BS EN ISO 15614-2 2005 Specification and qualification of welding procedures for metallic materials. Welding procedure test - Arc welding of aluminium and its alloys.pdf PDF 655.96KB 38页 NF EN 1097-4-2008 Tests for mechanical and physical properties of aggregates - Part 4 determination of the voids of dry compacted filler.pdf PDF 340.61KB 14页 BS EN ISO 683-1 2018 Heat-treatable steels, alloy steels and free-cutting steels - Non-alloy steels for quenching and tempering.pdf PDF 1.5MB 50页 BS EN 50525-2-81 2011 Electric cables - Low voltageenergy cables of rated voltagesup to and including 450/750 V（U0/U） Part 1 General requirements.pdf PDF 864.86KB 18页 BS EN ISO 4136 2012 Destructive tests on welds in metallic materials. Transverse tensile test.pdf PDF 1.01MB 18页 BS EN 10277 2018 Bright steel products. Technical delivery conditions.pdf PDF 1.11MB 56页 NF EN 13286-40-2003 Unbound and hydraulically bound mixtures - Part 40 test method for the determination of the direct tensile strength of hydraulically bound mixtures.pdf PDF 3.61MB 10页 BS EN 1337-7 2004 Structural bearings - Spherical and cylindrical PTFE bearings.pdf PDF 260KB 28页 BS EN IEC 60974-7 2019 Arc welding equipment. Torches.pdf PDF 1.33MB 38页 BS EN 1092-3 2003 Flanges and their joints. Circular flanges for pipes, valves, fittings and accessories, PN designated - Copper alloy flanges.pdf PDF 565.19KB 38页 BS EN ISO 1452-4 2009 PlastICS pipingsystems for watersupply and for buriedand above-grounddrainage and sewerageunder pressure-Unplasticizedpoly（vinyl chloride）（PVC-U） Part 4 Valves（ISO 1452-42009）.pdf PDF 479.08KB 20页
