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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 15000.6-1996
Directives for the work of reference materials(6)--General rules for package of certified reference materials
GB/T 16667-1996
Monitoring and testing method for energy saving of electrical welding installation
GB/T 16664-1996
Monitoring and testing method for energy saving of power supply distribution system of industrial enterprise
GB/T 8120-1987
High-purity n-heptane and isooctance--Determination of purity--Capillary gas chromatography
GB/T 15936.10-1996
信息处理 文本和办公系统 办公文件体系结构（ODA）和交换格式 第10部分:形式规范
Information processing--Text and office systems--Office Document Architecture(ODA) and interchange format--Part 10:Formal specifications
GB/T 7254-1995
8448 kbit/s正码速调整二次群数字复用设备技术要求和测试方法
Performanceand methods of the second order digital multiplex equipment operating at 8448 kbit/s and using positive justification