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 IEC 60974-9 2018 Arc welding equipment. Installation and use.pdf PDF 1.16MB 36页 BS EN ISO 9017 2018 Destructive tests on welds in metallic materials. Fracture test.pdf PDF 3.08MB 22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 BS EN 12390-1-2021 硬化混凝土试验 样品和模型的形状、尺寸和其它要求.pdf PDF 6.13MB 15页 BS EN 1337-3 2005 Structural bearings - Elastomeric bearings.pdf PDF 1.13MB 98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 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 682 2002 Elastomeric seals. Materials requirements for seals used in pipes and fi ttings carrying gas and hydrocarbon fluids.pdf PDF 442.39KB 22页 EN 50173-3 2018 Information technology - Generic cabling systems - Part 3 Industrial spaces.pdf PDF 5.51MB 56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 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 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 1337-5 2005 Structural bearings - Pot bearings.pdf PDF 666.94KB 60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 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 12504-2 2021 Testing concrete in structures - Non-destructive testing. Determination of rebound number.pdf PDF 1.04MB 18页 BS EN IEC 60974-11 2021 Arc welding equipment - Electrode holders.pdf PDF 849.64KB 22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 ISO 7093-2 2000 Plain washers. Large series - Product grade C.pdf PDF 110.94KB 14页 BS EN 751-1 1997 Sealing materials for metallic threaded joints in contact with 1st, 2nd and 3rd family gases and hot water. Anaerobic jointing compounds.pdf PDF 726.25KB 13页 BS EN 12390-2 2019 Testing hardened concrete. Making and curing specimens for strength tests.pdf PDF 994.27KB 12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 10278 1999 Dimensions and tolerances of bright steel products.pdf PDF 129.14KB 10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 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 1337-7 2004 Structural bearings - Spherical and cylindrical PTFE bearings.pdf PDF 260KB 28页 EN 12390-6 2009 Testing hardened concrete - Part 6 Tensile splitting strength of test specimens.pdf PDF 389.82KB 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 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 EN 12390-4 2019 Testing hardened concrete - Part 4 Compressive strength - Specification for testing machines.pdf PDF 503.29KB 18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 EN 50173-5 2018 Information technology - Generic cabling systems - Part 5 Data centre spaces.pdf PDF 3.33MB 48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 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 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 BS EN IEC 60974-1 2018/A1 2019 Arc welding equipment. Welding power sources.pdf PDF 2.26MB 160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 NF EN 13286-52-2005 Unbound and hydraulically bound mixtures - Part 52 method for the manufacture of test specimens of hydraulically bound mixtures using vibrocompression.pdf PDF 3.16MB 10页 BS EN 1997-2 2007 Eurocode 7. Geotechnical design. Ground investigation and testing.pdf PDF 2.37MB 202页 EN 50173-1 2018 Information technology - Generic cabling systems - Part 1 General requirements.pdf PDF 3.53MB 184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 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 1337-6 2004 Structural bearings - Rocker bearings.pdf PDF 362.04KB 32页 EN 50173-6 2018 Information technology - Generic cabling systems - Part 6 Distributed building services.pdf PDF 3.96MB 56页 EN 55032 2015 Electromagnetic compatibility of multimedia equipment - Emission Requirements.pdf PDF 1.61MB 108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 IEC 60974-13 2021 Arc welding equipment - Welding current return clamp.pdf PDF 842.58KB 20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 10090 1998 Valve steels and alloys for internal combustion engines.pdf PDF 1.36MB 17页
