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 BS EN 13791 2019 Assessment of in-situ compressive strength in structures and precast concrete components.pdf PDF 1.02MB 52页 BS EN IEC 60974-5 2019 Arc welding equipment. Wire feeders.pdf PDF 1.04MB 30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 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 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 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 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 BS EN 196-6 2018 Tracked Changes. Methods of testing cement. Determination of fineness.pdf PDF 729.75KB 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 10025-4 2019 Hot rolled products of structural steels. Technical delivery conditions for thermomechanical rolled weldable fine grain structural steels.pdf PDF 1.03MB 34页 BS EN 196-3 2016 Tracked Changes. Methods of testing cement. Determination of setting times and soundness.pdf PDF 1.79MB 18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 206 2013/A2 2021 Concrete. Specification, performance, production and conformity.pdf PDF 1.51MB 102页 BS EN 10293 2015 Steel castings. Steel castings for general engineering uses.pdf PDF 1.09MB 24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 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 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 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 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 10250-4 2021 Open die steel forgings for general engineering purposes - Stainless steels.pdf PDF 695.7KB 26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 BS EN ISO 17639 2013 Destructive tests on welds in metallic materials. Macroscopic and microscopic examination of welds.pdf PDF 894.48KB 18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 10025-2 2019 Hot rolled products of structural steels.pdf PDF 1.12MB 44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 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 60974-1 2018/A1 2019 Arc welding equipment. Welding power sources.pdf PDF 2.26MB 160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 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 ISO 10873-2021 口腔医学-假牙粘合剂.pdf PDF 11.41MB 28页 ASTM F3323-21 外骨骼和外套装的标准术语.pdf PDF 2.97MB 3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 196-1-2016 Methods of testing cement-Part 1 Determination of strength.pdf PDF 15.68MB 35页 EN 50173-6 2018 Information technology - Generic cabling systems - Part 6 Distributed building services.pdf PDF 3.96MB 56页 EN 12390-18-2021 Testing hardened concrete - Part 18 Determination of the chloride migration coefficient.pdf PDF 5.51MB 18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 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 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 BS EN ISO 8503-3 2012 Part 3 Method for the calibration of ISO surface profile comparators and for the determination of surface profile — Focusing microscope procedure.pdf PDF 1.11MB 22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 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 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 50173-3 2018 Information technology - Generic cabling systems - Part 3 Industrial spaces.pdf PDF 5.51MB 56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 10277 2018 Bright steel products. Technical delivery conditions.pdf PDF 1.11MB 56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 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 EN 12390-10 2018 Testing hardened concrete - Part 10 Determination of the carbonation resistance of concrete at atmospheric levels of carbon dioxide.pdf PDF 734.81KB 24页
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