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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 5594.5-1985
Test methods for properties of structure ceramic used in electronic components--Test method forvolume resistivity
GB/T 5209-1985
Paints and varnishes--Determination of resistance to water--Water immersion method
GB/T 5279.2-1997
Countersunk flat head screws--Part 2:Penetration depth of cross recesses
GB/T 7590-1987
Code of Chinese ideograms set forinformation interchange--The 4th supplementary set
GB/T 16995-1997
Determination of gel time of thermosetting powder coatings at a given temperature
GB/T 7918.2-1987
Standard methods of microbiological examination for cosmetics--Standard plate count
GB/T 7918.3-1987
Standard methods of microbiological examination for cosmetics--Fecal coliforms
GB/T 15555.10-1995
Solid waste--Determination of nickel--Dimethylglyoxime spectrophotometric method