BS EN 287-1-2011 焊工资格考试 第1部分：钢.pdf PDF 4.63MB 44页 BS EN IEC 60974-11 2021 Arc welding equipment - Electrode holders.pdf PDF 849.64KB 22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 CEN/TR 14245 2020 Cement - Guidelines for the application of EN 197-2 Assessment and verification of constancy of performance.pdf PDF 1.11MB 40页 BS EN 10278 1999 Dimensions and tolerances of bright steel products.pdf PDF 129.14KB 10页 BS EN 10090 1998 Valve steels and alloys for internal combustion engines.pdf PDF 1.36MB 17页 BS EN ISO 683-5 2021 Heat treatable steels, alloy steels and free-cutting steels - Nitriding steels.pdf PDF 770.42KB 36页 BS EN 681-1 1996 Elastomeric seals. Material requirements for pipe joint seals used in water and drainage applications. Vulcanized rubber.pdf PDF 782.47KB 24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 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 NF EN 933-6-2014 Tests for geometrical properties of aggregates - Part 6 assessment of surface characteristICS - Flow coefficient of aggregates.pdf PDF 450.33KB 25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 BS EN 10300 2005 Steel tubes and fittings for onshore and offshore pipelines. Bitumen hot applied materials for external coating.pdf PDF 464.65KB 54页 BS EN 50134-5-2021 报警系统 社会报警系统 第5部分：互连和通信.pdf PDF 13.73MB 27页 BS EN ISO 9016 2012 Destructive tests on welds in metallic materials. Impact tests. Test specimen location, notch orientation and examination.pdf PDF 1.04MB 16页 BS EN ISO 683-2 2018 Heat-treatable steels, alloy steels and free-cutting steels - Alloy steels for quenching and tempering.pdf PDF 1.53MB 52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 1337-8 2007 Structural bearings - Guide bearings and restraint bearings.pdf PDF 1.29MB 30页 BS EN 1337-5 2005 Structural bearings - Pot bearings.pdf PDF 666.94KB 60页 BS EN 60974-11 2010 Arc welding equipment. Electrode holders.pdf PDF 1.32MB 18页 EN 12390-6 2009 Testing hardened concrete - Part 6 Tensile splitting strength of test specimens.pdf PDF 389.82KB 14页 BS EN 50525-1 2011 Electric cables. Low voltage energy cables of rated voltages up to and including 450-750 V （U0-U）. General requirements.pdf PDF 1.02MB 38页 BS EN 1092-2 1997 Flanges and their joints. Circular flanges for pipes, valves, fittings and accessories, PN designated - Cast iron flanges.pdf PDF 1.23MB 34页 BS EN IEC 60974-9 2018 Arc welding equipment. Installation and use.pdf PDF 1.16MB 36页 BS EN IEC 60974-1 2018/A1 2019 Arc welding equipment. Welding power sources.pdf PDF 2.26MB 160页 EN 12390-14 2018 Testing hardened concrete - Part 14 Semi-adiabatic method for the determination of heat released by concrete during its hardening process.pdf PDF 815.62KB 22页 BS EN ISO 3506-2 2020 Fasteners. Mechanical properties of corrosion-resistant stainless steel fasteners - Nuts with specified grades and property classes.pdf PDF 1.73MB 38页 BS EN ISO 17892-12 2018/A1 2021 Geotechnical investigation and testing. Laboratory testing of soil. Determination of liquid and plastic limits 岩土调查和测试 土壤的实验室测试 液体和塑料极限的确定.pdf PDF 1.92MB 36页 BS EN 13791 2019 Assessment of in-situ compressive strength in structures and precast concrete components.pdf PDF 1.02MB 52页 BS EN ISO 22476-3 2005/A1 2011 Geotechnical investigation and testing. Field testing. Standard penetration test.pdf PDF 1.23MB 26页 EN 12390-3 2019 Testing hardened concrete - Part 3 Compressive strength of test specimens.pdf PDF 891.54KB 24页 PD CR 13445-7-2002 未点火的压力容器 第7部分：符合性程序应用指南.pdf PDF 1.13MB 26页 EN 12390-5 2019 Testing hardened concrete - Part 5 Flexural strength of test specimens.pdf PDF 619.99KB 14页 BS EN 1992-1-1 2004/A1 2014 Eurocode 2 Design of concrete structures. General rules and rules for buildings.pdf PDF 4.5MB 230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 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 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 EN 12390-10 2018 Testing hardened concrete - Part 10 Determination of the carbonation resistance of concrete at atmospheric levels of carbon dioxide.pdf PDF 734.81KB 24页 Elle欧美顶级设计杂志 Decoration Sweden 2017年9月刊.rar 143224.35KB 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 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 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 10250-4 2021 Open die steel forgings for general engineering purposes - Stainless steels.pdf PDF 695.7KB 26页 BS EN ISO 15614-8 2016 Specification and qualification of welding procedures for metallic materials. Welding procedure test - Welding of tubes to tube-plate joints.pdf PDF 1.65MB 32页 NF EN 197-1-2012 Cement - Part 1 composition, specifications and conformity criteria for common cements - Ciment.pdf PDF 544.82KB 42页 NF EN 934-2/A1-2012 Admixtures for concrete, mortar and grout - Part 2 concrete admixtures - Definitions, requirements, conformity, marking and labelling.pdf PDF 433.33KB 28页 EN 50173-6 2018 Information technology - Generic cabling systems - Part 6 Distributed building services.pdf PDF 3.96MB 56页 BS EN IEC 60974-13 2021 Arc welding equipment - Welding current return clamp.pdf PDF 842.58KB 20页 EN ISO 17636-2 2013 Non-destructive testing of welds - Radiographic testing - Part 2 X- and gamma-ray techniques with digital detectors.pdf PDF 1.67MB 64页 BS EN 1822-3-1998 High efficiency air filters （HEPA and ULPA）. Testing flat sheet filter media.pdf PDF 248.12KB 18页 BS EN 1337-2 2004 Structural bearings - Sliding elements.pdf PDF 1.43MB 74页
