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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 39554.1-2020
全国一体化政务服务平台 政务服务事项基本目录及实施清单 第1部分:编码要求
National integrated government service platform—Basic category and implementation list of government service items—Part 1: Coding requirements
GB/T 39554.2-2020
全国一体化政务服务平台 政务服务事项基本目录及实施清单 第2部分:要素要求
National integrated government service platform—Basic category and implementation list of government service items—Part 2: Element requirements
GB/T 28799.3-2020
Polyethylene of raised temperature resistance (PE-RT) piping systems for hot and cold water installations—Part 3: Fittings
GB/T 3780.28-2020
Carbon black—Part 28: Determination the content of polycyclic aromatic hydrocarbons
GB/T 39285-2020
Method for chemical analysis of palladium compounds—Determination of chlorine content—Ion chromatography
GB/Z 6113.403-2020
无线电骚扰和抗扰度测量设备和测量方法规范 第4-3部分:不确定度、统计学和限值建模 批量产品的EMC符合性确定的统计考虑
Specification for radio disturbance and immunity measuring apparatus and methods—Part 4-3: Uncertainties,statistics and limit modelling—Statistical considerations in the determination of EMC compliance of mass-produced products