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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 4195-1984
Method for measuring the distribution of the powder size of tungsten and molybdenum method by the balance for the fall of the particles
GB/T 3653.2-1983
Methods for chemical analysis of ferroboron--The gasometric method for the determination of carbon content
GB/T 7078-1997
Textiles--Tests for colour fastness--Colour fastness to formaldehyde
GB/T 15858-1995
General specification for full track erasing heads of VHS video tape recorders
GB/T 17218-1998
Hygienic safety evaluation for chemicals used in drinking water treatment
GB/T 15555.11-1995
Solid waste--Determination offluoride--Ion selective electrode method





