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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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- 2016-11-15 Sino-German City-to-City Standardization Cooperation Seminar
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Number of entries (Data is updated on a monthly basis): 46674
GB/T 223.61-1988
Methods for chemical analysis of iron,steel and alloy--The ammonium phosphomolybdate volumetric method for the determination of phosphorus content
GB/T 9792-2003
Conversion coatings on metallic materials--Determination of coating mass per unit area--Gravimetric methods
GB/T 2469-1996
Pyrites and concentrate--Determination of carbon content--Caustic asbestos gravimetric method
GB/T 2923-1995
Determination of ISO speed of black-and-white pictorial still camera negative film/process systems
GB/T 15943-1995
Technical specification measuring method of broadcasting audio channel
Number of entries (Data is updated on a monthly basis): 46674