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 EN 50173-5 2018 Information technology - Generic cabling systems - Part 5 Data centre spaces.pdf PDF 3.33MB 48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 EN 12390-5 2019 Testing hardened concrete - Part 5 Flexural strength of test specimens.pdf PDF 619.99KB 14页 BS EN ISO 17639 2013 Destructive tests on welds in metallic materials. Macroscopic and microscopic examination of welds.pdf PDF 894.48KB 18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 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 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 12390-1 2012 Testing hardened concrete - Part 1 Shape, dimensions and other requirements for specimens and moulds.pdf PDF 1006.13KB 18页 NF EN ISO 17892-4 2018 Geotechnicalinvestigation and testing -Laboratory testing of soil-Part 4 Determination of particle size distribution.pdf PDF 9.1MB 41页 EN 50173-1 2018 Information technology - Generic cabling systems - Part 1 General requirements.pdf PDF 3.53MB 184页 BS EN IEC 60974-7 2019 Arc welding equipment. Torches.pdf PDF 1.33MB 38页 BS EN 196-6 2018 Tracked Changes. Methods of testing cement. Determination of fineness.pdf PDF 729.75KB 20页 EN ISO 3452-1 2021 Non-destructive testing - Penetrant testing - Part 1 General principles （ISO 3452-1 2021）.pdf PDF 1.2MB 34页 BS EN 10277 2018 Bright steel products. Technical delivery conditions.pdf PDF 1.11MB 56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 F3390-20 3到24英寸的标准规范 土地排水用内衬柔性波纹聚乙烯管.pdf PDF 4.33MB 8页 BS EN ISO 9606-1 2017 Qualification testing of welders. Fusion welding. Steels.pdf PDF 2.13MB 46页 ASTM B733-22 金属上的自催化（无电解）镍磷合金标准规范.pdf PDF 8.8MB 17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 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 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 ISO 17637 2016 Non-destructive testing of welds - Visual testing of fusion-welded joints.pdf PDF 1.08MB 20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 BS EN IEC 60974-9 2018 Arc welding equipment. Installation and use.pdf PDF 1.16MB 36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 EN 12390-17 2019 Testing hardened concrete - Part 17 Determination of creep of concrete in compression.pdf PDF 460.97KB 16页 BS EN ISO 683-2 2018 Heat-treatable steels, alloy steels and free-cutting steels - Alloy steels for quenching and tempering.pdf PDF 1.53MB 52页 BS EN ISO 4136 2012 Destructive tests on welds in metallic materials. Transverse tensile test.pdf PDF 1.01MB 18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 EN ISO 17636-2 2013 Non-destructive testing of welds - Radiographic testing - Part 2 X- and gamma-ray techniques with digital detectors.pdf PDF 1.67MB 64页 EN 13055 2016 Lightweight aggregates.pdf PDF 1.93MB 54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 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
