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 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 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 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 ISO 683-5 2021 Heat treatable steels, alloy steels and free-cutting steels - Nitriding steels.pdf PDF 770.42KB 36页 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 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 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 1822-5-2000 High efficiency air filters （HEPA and ULPA）. Determining the efficiency of filter element.pdf PDF 391.52KB 24页 BS EN ISO 7092 2000 Plain washers. Small series. Product grade A.pdf PDF 101.53KB 16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 10095 1999 Heat resisting steels and nickel alloys.pdf PDF 359.36KB 30页 EN 12390-17 2019 Testing hardened concrete - Part 17 Determination of creep of concrete in compression.pdf PDF 460.97KB 16页 BS EN 1822-3-1998 High efficiency air filters （HEPA and ULPA）. Testing flat sheet filter media.pdf PDF 248.12KB 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 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 10025-1 2004 Hot rolled products of structural steels. General technical delivery conditions.pdf PDF 431.36KB 36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 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 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 2063-2 2017 Thermal spraying. Zinc, aluminium and their alloys - Execution of corrosion protection systems.pdf PDF 2.59MB 48页 BS EN IEC 60974-1 2018/A1 2019 Arc welding equipment. Welding power sources.pdf PDF 2.26MB 160页 ASTM B108/B108M-19 Standard Specification for Aluminum-Alloy Permanent Mold Castings.pdf PDF 670.66KB 23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 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 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 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 50173-1 2018 Information technology - Generic cabling systems - Part 1 General requirements.pdf PDF 3.53MB 184页 EN 12390-16 2019 Testing hardened concrete - Part 16 Determination of the shrinkage of concrete.pdf PDF 462.38KB 16页 BS EN IEC 60974-5 2019 Arc welding equipment. Wire feeders.pdf PDF 1.04MB 30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 BS EN 60974-11 2010 Arc welding equipment. Electrode holders.pdf PDF 1.32MB 18页 BS EN 10278 1999 Dimensions and tolerances of bright steel products.pdf PDF 129.14KB 10页 BS EN IEC 60974-7 2019 Arc welding equipment. Torches.pdf PDF 1.33MB 38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 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 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 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 12504-2 2021 Testing concrete in structures - Non-destructive testing. Determination of rebound number.pdf PDF 1.04MB 18页 BS EN ISO 7094 2000 Plain washers. Extra large series. Product grade C.pdf PDF 187.36KB 14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 60974-11 2021 Arc welding equipment - Electrode holders.pdf PDF 849.64KB 22页 BS EN ISO 7093-2 2000 Plain washers. Large series - Product grade C.pdf PDF 110.94KB 14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 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 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 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 1011-1 2009 Welding. Recommendations for welding of metallic materials. General guidance for arc welding.pdf PDF 349.82KB 18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 1337-4 2004 Structural bearings - Roller bearings.pdf PDF 355.24KB 34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
