EN 50173-1 2018 Information technology - Generic cabling systems - Part 1 General requirements.pdf PDF 3.53MB 184页 BS EN ISO 8503-2 2012 Part 2 Method for the grading of surface profile of abrasive blast-cleaned steel — Comparator procedure.pdf PDF 214.5KB 16页 BS EN 12390-8 2019 Testing hardened concrete. Depth of penetration of water under pressure.pdf PDF 579.14KB 12页 EN 12390-3 2019 Testing hardened concrete - Part 3 Compressive strength of test specimens.pdf PDF 891.54KB 24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 13055 2016 Lightweight aggregates.pdf PDF 1.93MB 54页 BS EN IEC 60974-1 2018/A1 2019 Arc welding equipment. Welding power sources.pdf PDF 2.26MB 160页 BS EN ISO 14732 2013 Welding personnel. Qualification testing of welding operators and weld setters for mechanized and automatic welding of metallic materials.pdf PDF 1.17MB 26页 NF EN ISO 17892-3-2015 Geotechnicalinvestigation and testing -Laboratory testing of soil-Part 3 determination of particle density.pdf PDF 5.18MB 26页 BS EN ISO 3506-2 2020 Fasteners. Mechanical properties of corrosion-resistant stainless steel fasteners - Nuts with specified grades and property classes.pdf PDF 1.73MB 38页 EN 12390-14 2018 Testing hardened concrete - Part 14 Semi-adiabatic method for the determination of heat released by concrete during its hardening process.pdf PDF 815.62KB 22页 ASTM E1606-20 用于电气目的的铜和铝重拉杆的电磁（涡流）检验标准实践.pdf PDF 2.52MB 5页 ASTM F2905 F2905M-20a 石油和天然气生产用交联聚乙烯（PEX）管线管的标准规范.pdf PDF 4.95MB 10页 EN 12390-5 2019 Testing hardened concrete - Part 5 Flexural strength of test specimens.pdf PDF 619.99KB 14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 ASTM F2159-20 SDR9交联聚乙烯（PEX）管和SDR9高温聚乙烯（PE-RT）管用铜压接环或替代不锈钢夹塑料插入件的标准规范.pdf PDF 3.97MB 9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 12504-2 2021 Testing concrete in structures - Non-destructive testing. Determination of rebound number.pdf PDF 1.04MB 18页 BS EN ISO 683-1 2018 Heat-treatable steels, alloy steels and free-cutting steels - Non-alloy steels for quenching and tempering.pdf PDF 1.5MB 50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 206 2013/A2 2021 Concrete. Specification, performance, production and conformity.pdf PDF 1.51MB 102页 ASTM F2785-20e1 聚酰胺12气体压力管 管道和管件的标准规范.pdf PDF 6.73MB 12页 BS EN ISO 15614-8 2016 Specification and qualification of welding procedures for metallic materials. Welding procedure test - Welding of tubes to tube-plate joints.pdf PDF 1.65MB 32页 EN ISO 17636-1 2013 Non-destructive testing of welds - Radiographic testing - Part 1 X- and gamma-ray techniques with film.pdf PDF 891.29KB 42页 BS EN ISO 9015-2 2016 Destructive tests on welds in metallic materials. Hardness testing. Microhardness testing of welded joints.pdf PDF 1.23MB 18页 ASTM E1606-20 用于电气目的的铜和铝重拉杆的电磁（涡流）检验标准实践.pdf PDF 2.52MB 5页 ASTM E3193-20 用火焰原子吸收分光光度法（FAAS）测定灰尘、油漆和土壤中铅的标准试验方法.pdf PDF 4.88MB 9页 EN 13369 2018 Common Rules for Precast Concrete Products.pdf PDF 1.82MB 80页 ASTM F3338-20 通用航空飞机电力推进装置设计标准规范.pdf PDF 7.8MB 13页 BS EN IEC 60974-9 2018 Arc welding equipment. Installation and use.pdf PDF 1.16MB 36页 BS EN ISO 9018 2015 Destructive tests on welds in metallic materials. Tensile test on cruciform and lapped joints.pdf PDF 1.19MB 20页 ASTM F2905 F2905M-20a 石油和天然气生产用交联聚乙烯（PEX）管线管的标准规范.pdf PDF 4.95MB 10页 BS EN 1015-11 2019 Methods of test for mortar for masonry. Determination of flexural and compressive strength of hardened mortar.pdf PDF 677.53KB 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 BS EN IEC 60974-13 2021 Arc welding equipment - Welding current return clamp.pdf PDF 842.58KB 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 ASTM E3193-20 用火焰原子吸收分光光度法（FAAS）测定灰尘、油漆和土壤中铅的标准试验方法.pdf PDF 4.88MB 9页 NF EN ISO 17892-12/A1-2021 Geotechnical investigation and testing - Laboratory testing of soil Part 12 determination of liquid and plastic limits - Reconnaissance et essais g¨¦otechniques - Essais de laboratoire sur.pdf PDF 364.32KB 11页 BS EN 13791 2019 Assessment of in-situ compressive strength in structures and precast concrete components.pdf PDF 1.02MB 52页 ASTM F2968 F2968M-20a 气体分配用交联聚乙烯（PEX）管的标准规范.pdf PDF 5.34MB 11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 ASTM E1740-20a 用锥形量热计测定墙面覆盖层或天花板覆盖层复合材料的热释放率和其他耐火试验响应特性的标准试验方法.pdf PDF 4.79MB 12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 1092-1 2018 Flanges and their joints. Circular flanges for pipes, valves, fittings and accessories, PN designated - Steel flanges.pdf PDF 3.79MB 152页 BS EN ISO 9016 2012 Destructive tests on welds in metallic materials. Impact tests. Test specimen location, notch orientation and examination.pdf PDF 1.04MB 16页 ASTM F2019-20 用紫外光固化法就地固化的玻璃钢（GRP-CIPP）的拉拔安装修复现有管道和导管的标准实施规程.pdf PDF 5.96MB 13页 BS EN ISO 9017 2018 Destructive tests on welds in metallic materials. Fracture test.pdf PDF 3.08MB 22页 BS EN IEC 60974-7 2019 Arc welding equipment. Torches.pdf PDF 1.33MB 38页 BS EN 10217-1 2019 Welded steel tubes for pressure purposes - Technical delivery conditions. Part 1 Electric welded and submerged arc welded non-alloy steel tubes with specified room temperature properties.pdf PDF 1.07MB 50页 BS EN ISO 9606-1 2017 Qualification testing of welders. Fusion welding. Steels.pdf PDF 2.13MB 46页 EN 50173-6 2018 Information technology - Generic cabling systems - Part 6 Distributed building services.pdf PDF 3.96MB 56页
