EN 12390-18-2021 Testing hardened concrete - Part 18 Determination of the chloride migration coefficient.pdf PDF 5.51MB 18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 206 2013/A2 2021 Concrete. Specification, performance, production and conformity.pdf PDF 1.51MB 102页 BS EN ISO 8503-1 2012 Part 1 Specifications and definitions for ISO surface profile comparators for the assessment of abrasive blast-cleaned surfaces.pdf PDF 1.15MB 20页 BS EN 10250-4 2021 Open die steel forgings for general engineering purposes - Stainless steels.pdf PDF 695.7KB 26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 EN 12390-4 2019 Testing hardened concrete - Part 4 Compressive strength - Specification for testing machines.pdf PDF 503.29KB 18页 BS EN 12504-1 2019 Testing concrete in structures. Cored specimens. Taking, examining and testing in compression.pdf PDF 1.59MB 22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 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 BS EN ISO 683-4 2018 Heat-treatable steels, alloy steels and free-cutting steels - Free-cutting steels.pdf PDF 855.2KB 30页 EN ISO 17637 2016 Non-destructive testing of welds - Visual testing of fusion-welded joints.pdf PDF 1.08MB 20页 NF EN 196-1-2016 Methods of testing cement-Part 1 Determination of strength.pdf PDF 15.68MB 35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 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 F2648 F2648M-20 2至60英寸[50至1500 mm]环形波纹型墙面聚乙烯（PE）用于土地排水应用的管道和配件的标准规格.pdf PDF 3.72MB 8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 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 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 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 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 ISO 17892-11 2019 岩土调查和测试.土壤的实验室测试.渗透性测试 Geotechnical investigation and testing. Laboratory testing of soil. Permeability tests.pdf PDF 1000.08KB 30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 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 12390-2 2019 Testing hardened concrete. Making and curing specimens for strength tests.pdf PDF 994.27KB 12页 EN 50173-6 2018 Information technology - Generic cabling systems - Part 6 Distributed building services.pdf PDF 3.96MB 56页 BS EN IEC 60974-7 2019 Arc welding equipment. Torches.pdf PDF 1.33MB 38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 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 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 BS EN ISO 22476-1 2012 Geotechnical investigation and testing. Field testing. Electrical cone and piezocone penetration test.pdf PDF 1.26MB 46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 EN 12390-7 2019 Testing hardened concrete - Part 7 Density of hardened concrete.pdf PDF 625.39KB 14页 BS EN 10293 2015 Steel castings. Steel castings for general engineering uses.pdf PDF 1.09MB 24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 50561-1 2013 Power line communication apparatus used in low-voltage installations - Radio disturbance characteristICS - Limits and methods of measurement - Part 1 Apparatus for in-home use.pdf PDF 342.55KB 25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 EN 12390-13 2013 Testing hardened concrete - Part 13 Determination of secant modulus of elasticity in compression.pdf PDF 922.37KB 18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 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 NF EN 933-9-2022 Tests for geometrical properties of aggregates - Part 9 assessment of fines - Methylene blue test.pdf PDF 823.44KB 23页 ASTM F3323-21 外骨骼和外套装的标准术语.pdf PDF 2.97MB 3页 BS EN ISO 4136 2012 Destructive tests on welds in metallic materials. Transverse tensile test.pdf PDF 1.01MB 18页 BS EN ISO 15614-1 2017/A1 2019 Specification and qualification of welding procedures for metallic materials. Welding procedure test. Arc and gas welding of steels and arc welding of nickel and nickel alloys.pdf PDF 1.17MB 54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 BS EN ISO 3506-1 2020 Fasteners. Mechanical properties of corrosion-resistant stainless steel fasteners - Bolts, screws and studs with specified grades and property classes.pdf PDF 1.23MB 48页 EN 50173-2 2018 Information technology - Generic cabling systems - Part 2 Office spaces.pdf PDF 2.95MB 40页 ASTM E1728 E1728M-20 使用擦拭取样方法收集沉淀粉尘样品进行后续铅测定的标准做法.pdf PDF 2.61MB 5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 BS EN 10088-3 2014 Stainless steels - Technical delivery conditions for semi-finished products, bars, rods, wire, sections and bright products of corrosion resisting steels for general purposes.pdf PDF 1.67MB 80页
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