BS EN 12504-2 2021 Testing concrete in structures - Non-destructive testing. Determination of rebound number.pdf PDF 1.04MB 18页 NF EN 13108-2-2006 Bituminous mixtures - Material specifications - Part 2 asphalt concrete for very thin layers - M¨¦langes bitumineux.pdf PDF 12.04MB 31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 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 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 BS EN 1337-6 2004 Structural bearings - Rocker bearings.pdf PDF 362.04KB 32页 BS EN ISO 898-3 2018/A1 2021 Fasteners. Mechanical properties of fasteners made of carbon steel and alloy steel - Flat washers with specified property classes.pdf PDF 1.56MB 28页 BS EN ISO 7091 2000 Plain washers. Normal series. Product grade C.pdf PDF 111.9KB 14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 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 EN 55032 2015 Electromagnetic compatibility of multimedia equipment - Emission Requirements.pdf PDF 1.61MB 108页 BS EN 1337-7 2004 Structural bearings - Spherical and cylindrical PTFE bearings.pdf PDF 260KB 28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 BS EN IEC 60974-1 2018/A1 2019 Arc welding equipment. Welding power sources.pdf PDF 2.26MB 160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 ISO 7093-1 2000 Plain washers. Large series - Product grade A.pdf PDF 181.54KB 16页 EN 50173-2 2018 Information technology - Generic cabling systems - Part 2 Office spaces.pdf PDF 2.95MB 40页 BS EN 17483-1-2021 私人保安服务 关键基础设施的保护 第1部分：一般要求.pdf PDF 10.06MB 26页 NF EN ISO 17892-2-2014 Geotechnical investigation and testing - Laboratory testing of soil - Part 2 determination of bulk density - Reconnaissance et essais g¨¦otechniques.pdf PDF 5.31MB 24页 BS EN 1337-4 2004 Structural bearings - Roller bearings.pdf PDF 355.24KB 34页 BS EN ISO 7094 2000 Plain washers. Extra large series. Product grade C.pdf PDF 187.36KB 14页 ASTM E2177-20 在湿恢复条件下用桶法测量路面标线反射亮度系数（RL）的标准试验方法.pdf PDF 2.45MB 6页 BS EN ISO 7093-2 2000 Plain washers. Large series - Product grade C.pdf PDF 110.94KB 14页 BS EN 1337-3 2005 Structural bearings - Elastomeric bearings.pdf PDF 1.13MB 98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 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 BS EN 1822-4-2000 High efficiency air filters （HEPA and ULPA）. Determining leakage of filter element （scan method）.pdf PDF 484.4KB 40页 BS EN ISO 17892-11 2019 岩土调查和测试.土壤的实验室测试.渗透性测试 Geotechnical investigation and testing. Laboratory testing of soil. Permeability tests.pdf PDF 1000.08KB 30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 13411-7-2021 钢丝绳的端接 安全 第7部分：对称楔形插座.pdf PDF 9.63MB 23页 BS EN 10244-2 2009 Steel wire and wire products. Non-ferrous metallic coatings on steel wire. Zinc or zinc alloy coatings.pdf PDF 972.21KB 22页 BS EN ISO 1452-5 2009 PlastICS pipingSystems for watersupply and for buriedand above-grounddrainage and sewerageunder pressure-Unplasticizedpoly（vinyl chloride）（PVC-U） Part 5 Fitness for purpose of thesystem ISO 1452.pdf PDF 543.04KB 22页 英文版 EUROCODE 2 EUROCODE 2 – 混凝土结构设计.pdf PDF 2.56MB 145页 ASD-STAN 完整标准索引（2018年5月）.pdf PDF 4.11MB 497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 EN 50173-3 2018 Information technology - Generic cabling systems - Part 3 Industrial spaces.pdf PDF 5.51MB 56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 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 BS EN 1011-1 2009 Welding. Recommendations for welding of metallic materials. General guidance for arc welding.pdf PDF 349.82KB 18页 BS EN 1822-5-2000 High efficiency air filters （HEPA and ULPA）. Determining the efficiency of filter element.pdf PDF 391.52KB 24页 BS EN IEC 60974-7 2019 Arc welding equipment. Torches.pdf PDF 1.33MB 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 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 ISO 5178 2019 Destructive tests on welds in metallic materials. Longitudinal tensile test on weld metal in fusion welded joints.pdf PDF 526.74KB 12页
