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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 19290.2-2003
发展中的电子设备构体机械结构模数序列 第2部分: 分规范 25 mm设备构体的接口协调尺寸
Modular order for the development of mechanical structures for electronic equipment practices--Part 2: Sectional specification--Interface co-ordination dimensions for the 25mm equipment practice
GB/T 16656.520-2002
工业自动化系统与集成 产品数据的表达与交换 第520部分:应用解释构造:相关绘图元素
Industrial automation systems and integration--Product data representation and exchange--Part 520:Application interpreted construct:Associative draughting elements
GB/T 19275-2003
Evaluation of the potential biodegradability and disintegration of plastic materials by the action of the specific microorganisms
GB/T 18722-2002
Graphic technology--Application of reflection densitometry and colorimetry to process control in graphic arts
GB/T 5009.143-2003
Determination of amitraz residues in vegetables,fruits,edible oil
GB/T 16529-1996
Splices for optical fibres and cables--Part 1:Generic specification--Hardware and accessories