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- 2019-05-24 ISO/TS 19807-2 "Nanotechnologies -- Magnetic nanomaterials -- Part 2: Specification of characteristics and measurements for nanostructured superparamagnetic beads for nucleic acid extraction"
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GB/T 34630.5-2017
Friction stir welding—Aluminium and its alloys—Part 5:Quality and inspection requirements
GB/T 34630.3-2017
Friction stir welding—Aluminium and its alloys—Part 3:Qualification of welding operators
GB/T 34630.4-2017
Friction stir welding—Aluminium and its alloys—Part 4:Specification and qualification of welding procedures
GB/T 32076.8-2017
预载荷高强度栓接结构连接副 第8部分:扭剪型圆头螺栓和螺母连接副
High-strength structural bolting assemblies for preloading—Part 8: Torshear type bolt with cup head,and nut assemblies
GB/T 34627-2017
Metallic and other inorganic coatings—Definitions and conventions concerning appearance
GB/T 1819.13-2017
锡精矿化学分析方法 第13部分:氧化镁、氧化钙量的测定 火焰原子吸收光谱法
Methods for chemical analysis of tin concentrates—Part 13: Determination of magnesium oxide content,calcium oxide content—Flame atomic absorption spectrometric method
GB/T 34641-2017
Non-destructive testing—Test method for determining image quality in direct thermal neutron radiographic examination