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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): 46371
GB/T 23228-2008
卷烟 主流烟气总粒相物中烟草特有N-亚硝胺的测定 气相色谱－热能分析联用法
Cigarette - Determination of tobacco specific N-Nitrosamines in total particulate matter of mainstream cigarette smoke - GC-TEA method
GB/T 15838-2008
Test methods for the performances of switching equipment clocks in digital network
GB/T 22427.13-2008
Starch and derived products - Determination of sulfur dioxide content
GB/T 22662.8-2008
Chemical analysis methods of potassium fluotitanate - Part 8: Determination of chloride content - Distillation-mercury nitration volumetric method
GB/T 17478-2004
Low-voltage power supply devices,d.c.output--Performance characteristics
Number of entries (Data is updated on a monthly basis): 46371