DIN 69101-3 SUPP 1 : 1985被替代
GRAINS OF FUSED ALUMINIUM OXIDE & SILICON CARBIDE FOR BONDED ABRASIVE PRODUCTS & CHIP REMOVAL OPERATIONS WITH LOOSE ABRASIVE GRAINS; CONVERSION OF MEASURED VALUES FOR DIFFERENT DEVICES FOR MEASURING MICROGRAINS
出版：German Institute for Standardisation (Deutsches Institut für Normung)
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