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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 8151.7-2012
锌精矿化学分析方法 第7部分:砷量的测定 氢化物发生-原子荧光光谱法和溴酸钾滴定法
Methods for chemical analysis of zinc concentrates - Part 7: Determination of arsenic content - Hydride generation-atomic fluorescence spectrometry and the potassium bromate titrimetric method
GB/T 8151.5-2012
锌精矿化学分析方法 第5部分:铅量的测定 火焰原子吸收光谱法
Methods for chemical analysis of zinc concentrates - Part 5: Determination of lead content - The flame atomic absorption spectrometric method
GB/T 28807-2012
Railway applications - Compatibility between rolling stock and train detection systems
GB/T 28409-2012
Personal protective equipment - Guide for the selection, use and maintenance of footwear
GB/T 28604-2012
Rubber seals used in living-water and drinking-water supply pipes and fittings
GB/T 12859.1-2012
电子元器件质量评定体系规范 压电陶瓷谐振器 第1部分:总规范- 鉴定批准
Piezoelectric ceramic resonators - A specification in the IEC quality assessment System for electronic components(IECQ) - Part 1: Generic specification-Qualification approval
GB/T 8017-2012
Standard test method for vapor pressure of petroleum products (Reid Method)