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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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Number of entries (Data is updated on a monthly basis): 46674
GB/T 28047-2011
Method of listening evaluation of sound reinforcement of auditorium gymnasium and stadium
GB/T 28019-2011
Adornment - Determination of Chromium（Ⅵ）- 1, 5-Diphenylcarbohydrazide spectrophotometric method
Number of entries (Data is updated on a monthly basis): 46674