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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 29851-2013
光伏电池用硅材料中B、Al受主杂质含量的二次离子质谱测量方法
Test method for measuring Boron and Aulminium in silicon materials used for photovoltaic applications by secondary ion mass spectrometry
GB/T 29852-2013
光伏电池用硅材料中P、As、Sb施主杂质含量的二次离子质谱测量方法
Test method for measuring Phosphorus, Arsenic and Antimony in silicon materials used for photovoltaic applications by secondary ion mass spectrometry
GB/T 29839-2013
Optical fiber composite low-voltage cable for rated voltages up to and including 1kV(Um=1.2kV)
GB/T 2423.23-2013
Environmental testing - Part 2:Test methods - Test Q: Sealing
GB/T 4103.6-2012
Methods for chemical analysis of lead and lead alloys - Part 6: Determination of arsenic content
GB/T 4103.4-2012
Methods for chemical analysis of lead and lead alloys - Part 4: Determination of iron content
GB/T 4103.7-2012
Methods for chemical analysis of lead and lead alloys - Part 7: Determination of selenium content
GB/T 4103.11-2012
Methods for chemical analysis of lead and lead alloys - Part 11: Determination of zinc content