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See Chinese contents: GB/T 3249-2022 GB/T 3249-2022: Test method for Fisher number of metal powders and related compounds
This Document specifies a test method for Fisher number of metal powders of related compounds. This Document is applicable to the determination of the Fisher number of metal powders and related compounds (carbides, nitrides and oxides, etc.) with a powder particle size of 0.5μm to 50μm.
