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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 5121.18-2008
Methods for chemical analysis of copper and copper alloys - Part 18:Determination of magnesium content
GB/T 2900.57-2008
Electrotechnical terminology - Generation, transmission and distribution of electricity - Operation
GB/T 5121.4-2008
Methods for chemical analysis of copper and copper alloys - Part 4:Determination of carbon and sulfur content
GB/T 5121.6-2008
Methods for chemical analysis of copper and copper alloys - Part 6:Determination of bismuth content
GB/T 5121.7-2008
Methods for chemical analysis of copper and copper alloys - Part 7:Determination of arsenic content
GB/T 22147-2008
饲料中沙丁胺醇、莱克多巴胺和盐酸克仑特罗的测定 液相色谱质谱联用法
Simultaneous determination of salbutamol, ractopamine and clenbuterol in feeds - Liquid chromatography-mass spectrometry
GB/T 22091.1-2008
55°密封管螺纹量规 第1部分:用于检验圆柱内螺纹与圆锥外螺纹
Gauges for pipe threads with 55 degree thread angle where pressure-tight joints are made on the threads - Part 1:Verification of parallel internal and taper external threads
GB/T 8294-2008
Natural rubber latex concentrate - Determination of boric acid content