BS EN 1337-5 2005 Structural bearings - Pot bearings.pdf PDF 666.94KB 60页 EN 50173-1 2018 Information technology - Generic cabling systems - Part 1 General requirements.pdf PDF 3.53MB 184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 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 IEC 60974-5 2019 Arc welding equipment. Wire feeders.pdf PDF 1.04MB 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 1337-2 2004 Structural bearings - Sliding elements.pdf PDF 1.43MB 74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 10095 1999 Heat resisting steels and nickel alloys.pdf PDF 359.36KB 30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 BS EN 1997-2 2007 Eurocode 7. Geotechnical design. Ground investigation and testing.pdf PDF 2.37MB 202页 BS EN 1337-4 2004 Structural bearings - Roller bearings.pdf PDF 355.24KB 34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 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 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 ISO 683-4 2018 Heat-treatable steels, alloy steels and free-cutting steels - Free-cutting steels.pdf PDF 855.2KB 30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 ISO 2063-2 2017 Thermal spraying. Zinc, aluminium and their alloys - Execution of corrosion protection systems.pdf PDF 2.59MB 48页 BS EN IEC 60974-13 2021 Arc welding equipment - Welding current return clamp.pdf PDF 842.58KB 20页 BS EN 1337-6 2004 Structural bearings - Rocker bearings.pdf PDF 362.04KB 32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 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 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 BS EN ISO 10873-2021 口腔医学-假牙粘合剂.pdf PDF 11.41MB 28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 BS EN 12390-2 2019 Testing hardened concrete. Making and curing specimens for strength tests.pdf PDF 994.27KB 12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 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 EN 12390-4 2019 Testing hardened concrete - Part 4 Compressive strength - Specification for testing machines.pdf PDF 503.29KB 18页 BS EN 1011-2 2001 Welding. Recommendations for welding of metallic materials. Arc welding of ferritic steels.pdf PDF 1.09MB 62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 7093-1 2000 Plain washers. Large series - Product grade A.pdf PDF 181.54KB 16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 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 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 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 50173-3 2018 Information technology - Generic cabling systems - Part 3 Industrial spaces.pdf PDF 5.51MB 56页 BS EN IEC 60974-7 2019 Arc welding equipment. Torches.pdf PDF 1.33MB 38页 BS EN ISO 7092 2000 Plain washers. Small series. Product grade A.pdf PDF 101.53KB 16页 英文版 EUROCODE 2 EUROCODE 2 – 混凝土结构设计.pdf PDF 2.56MB 145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 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 ISO 683-5 2021 Heat treatable steels, alloy steels and free-cutting steels - Nitriding steels.pdf PDF 770.42KB 36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 1337-8 2007 Structural bearings - Guide bearings and restraint bearings.pdf PDF 1.29MB 30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 12390-6 2009 Testing hardened concrete - Part 6 Tensile splitting strength of test specimens.pdf PDF 389.82KB 14页 BS EN ISO 7093-2 2000 Plain washers. Large series - Product grade C.pdf PDF 110.94KB 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 EN 50173-5 2018 Information technology - Generic cabling systems - Part 5 Data centre spaces.pdf PDF 3.33MB 48页
