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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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- 2016-11-15 Sino-German City-to-City Standardization Cooperation Seminar
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Number of entries (Data is updated on a monthly basis): 46463
GB/T 39741.2-2021
滑动轴承 公差 第2部分:轴和止推轴肩的几何公差及表面粗糙度
Plain bearings—Tolerances—Part 2:Tolerances on geometrical characteristics and surface roughness for shafts and thrust collars
GB/T 39853.2-2021
Power quality measurement in power supply systems—Part 2: Functional tests and uncertainty requirements
GB/T 39854-2021
Specification of performance evaluation for photovoltaic power station
Number of entries (Data is updated on a monthly basis): 46463