BS EN 1337-6 2004 Structural bearings - Rocker bearings.pdf PDF 362.04KB 32页 BS EN ISO 1461 2009 Hot dip galvanized coatings on fabricated iron and steel articles. Specifications and test methods.pdf PDF 1.2MB 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 10090 1998 Valve steels and alloys for internal combustion engines.pdf PDF 1.36MB 17页 EN 50173-1 2018 Information technology - Generic cabling systems - Part 1 General requirements.pdf PDF 3.53MB 184页 BS EN 1337-3 2005 Structural bearings - Elastomeric bearings.pdf PDF 1.13MB 98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 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 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 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 ISO 10873-2021 口腔医学-假牙粘合剂.pdf PDF 11.41MB 28页 BS EN 12390-2 2019 Testing hardened concrete. Making and curing specimens for strength tests.pdf PDF 994.27KB 12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 EN 50173-6 2018 Information technology - Generic cabling systems - Part 6 Distributed building services.pdf PDF 3.96MB 56页 BS EN 10210-1 2006 Hot finished structural hollow sections of non-alloy and fine grain steels. Technical delivery requirements.pdf PDF 425.95KB 42页 BS EN 10224 2002 Non-alloy steel tubes and fittings for the conveyance of water and other aqueous liquids. Technical delivery conditions.pdf PDF 812.95KB 62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 1337-8 2007 Structural bearings - Guide bearings and restraint bearings.pdf PDF 1.29MB 30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 IEC 60974-13 2021 Arc welding equipment - Welding current return clamp.pdf PDF 842.58KB 20页 BS EN 10095 1999 Heat resisting steels and nickel alloys.pdf PDF 359.36KB 30页 BS EN IEC 60974-1 2018/A1 2019 Arc welding equipment. Welding power sources.pdf PDF 2.26MB 160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 IEC 60974-9 2018 Arc welding equipment. Installation and use.pdf PDF 1.16MB 36页 BS EN 1993-1-10 2005 Eurocode 3. Design of steel structures - Material toughness and through-thickness properties.pdf PDF 315.61KB 22页 BS EN 10278 1999 Dimensions and tolerances of bright steel products.pdf PDF 129.14KB 10页 EN 12390-17 2019 Testing hardened concrete - Part 17 Determination of creep of concrete in compression.pdf PDF 460.97KB 16页 ASTM F2854-20a 用于交联聚乙烯（PEX）管道的推入式交联聚乙烯（PEX）机械配件的标准规格.pdf PDF 2.94MB 5页 EN 55032 2015 Electromagnetic compatibility of multimedia equipment - Emission Requirements.pdf PDF 1.61MB 108页 EN 50173-5 2018 Information technology - Generic cabling systems - Part 5 Data centre spaces.pdf PDF 3.33MB 48页 EN 50173-3 2018 Information technology - Generic cabling systems - Part 3 Industrial spaces.pdf PDF 5.51MB 56页 EN 12390-4 2019 Testing hardened concrete - Part 4 Compressive strength - Specification for testing machines.pdf PDF 503.29KB 18页 BS EN IEC 60974-5 2019 Arc welding equipment. Wire feeders.pdf PDF 1.04MB 30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 IEC 60974-11 2021 Arc welding equipment - Electrode holders.pdf PDF 849.64KB 22页 BS EN 1822-3-1998 High efficiency air filters （HEPA and ULPA）. Testing flat sheet filter media.pdf PDF 248.12KB 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 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 ASTM B108/B108M-19 Standard Specification for Aluminum-Alloy Permanent Mold Castings.pdf PDF 670.66KB 23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 60974-11 2010 Arc welding equipment. Electrode holders.pdf PDF 1.32MB 18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 英文版 EUROCODE 2 EUROCODE 2 – 混凝土结构设计.pdf PDF 2.56MB 145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 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 7091 2000 Plain washers. Normal series. Product grade C.pdf PDF 111.9KB 14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 1337-2 2004 Structural bearings - Sliding elements.pdf PDF 1.43MB 74页 BS EN 1337-4 2004 Structural bearings - Roller bearings.pdf PDF 355.24KB 34页 ASTM F2854-20a 用于交联聚乙烯（PEX）管道的推入式交联聚乙烯（PEX）机械配件的标准规格.pdf PDF 2.94MB 5页 EN 12390-6 2009 Testing hardened concrete - Part 6 Tensile splitting strength of test specimens.pdf PDF 389.82KB 14页
