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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 25934.2-2010
高纯金化学分析方法 第2部分:ICP-MS-标准加入校正-内标法 测定杂质元素的含量
Methods for chemical analysis of high purity gold - Part 2: Inductively coupled plasma mass spectrometry standard enter emendation-inner standard method - Determination of impurity elements contents
GB/T 25471-2010
Measuring methods for electromagnetic shielding effectiveness of coating
GB/T 1149.3-2010
Internal combustion engines - Piston rings - Part 3: Material specifications
GB/T 14536.8-2010
Automatic electrical controls for household and similar use - Particular requirements for timers and time switches
GB/T 27769-2011
The facility and equipment requirements of social security service centre
GB/T 26921-2011
The guide of design optimization for motor systems（fans,pumps,air compressors）