EN 50173-6 2018 Information technology - Generic cabling systems - Part 6 Distributed building services.pdf PDF 3.96MB 56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 F3323-21 外骨骼和外套装的标准术语.pdf PDF 2.97MB 3页 EN 12390-13 2013 Testing hardened concrete - Part 13 Determination of secant modulus of elasticity in compression.pdf PDF 922.37KB 18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 NF EN ISO 17892-12 2018 Geotechnical investigation and testing -Laboratory testing of soil -Part12 determination of liquid and plastic limits.pdf PDF 9.52MB 36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 9015-2 2016 Destructive tests on welds in metallic materials. Hardness testing. Microhardness testing of welded joints.pdf PDF 1.23MB 18页 ISO ASTM 52942-2020 添加剂制造 鉴定原则 航空航天用激光金属粉末床熔合机和设备的合格机器操作员.pdf PDF 2.35MB 8页 BS EN IEC 60974-5 2019 Arc welding equipment. Wire feeders.pdf PDF 1.04MB 30页 BS EN ISO 8503-4 2012 Part 4 Method for the calibration of ISO surface profile comparators and for the determination of surface profile — Stylus instrument procedure.pdf PDF 1.2MB 20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 683-4 2018 Heat-treatable steels, alloy steels and free-cutting steels - Free-cutting steels.pdf PDF 855.2KB 30页 BS EN 10277 2018 Bright steel products. Technical delivery conditions.pdf PDF 1.11MB 56页 BS EN 206 2013/A2 2021 Concrete. Specification, performance, production and conformity.pdf PDF 1.51MB 102页 ASTM F2978-20 用磁共振成像优化金属对金属髋关节置换装置临床诊断评估扫描顺序的标准指南.pdf PDF 4.32MB 11页 EN 50173-3 2018 Information technology - Generic cabling systems - Part 3 Industrial spaces.pdf PDF 5.51MB 56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 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 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 50173-1 2018 Information technology - Generic cabling systems - Part 1 General requirements.pdf PDF 3.53MB 184页 BS EN 12390-2 2019 Testing hardened concrete. Making and curing specimens for strength tests.pdf PDF 994.27KB 12页 BS EN 10216-1 2013 Seamless steel tubes for pressure purposes. Technical delivery conditions. Non-alloy steel tubes with specified room temperature properties.pdf PDF 1.23MB 32页 EN 12390-16 2019 Testing hardened concrete - Part 16 Determination of the shrinkage of concrete.pdf PDF 462.38KB 16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 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 ASTM F3323-21 外骨骼和外套装的标准术语.pdf PDF 2.97MB 3页 BS EN 10088-1 2014 Stainless steels - List of stainless steels.pdf PDF 1.71MB 72页 CEN/TR 14245 2020 Cement - Guidelines for the application of EN 197-2 Assessment and verification of constancy of performance.pdf PDF 1.11MB 40页 BS EN IEC 60974-11 2021 Arc welding equipment - Electrode holders.pdf PDF 849.64KB 22页 BS EN 196-1 2016 Tracked Changes. Methods of testing cement. Determination of strength.pdf PDF 1.07MB 38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 EN 12390-18-2021 Testing hardened concrete - Part 18 Determination of the chloride migration coefficient.pdf PDF 5.51MB 18页 BS EN 10025-3 2019 Hot rolled products of structural steels. Technical delivery conditions for normalized normalized rolled weldable fine grain structural steels.pdf PDF 1.05MB 34页
