
HARDMETALS - METALLOGRAPHIC DETERMINATION OF MICROSTRUCTURE - PART 4: CHARACTERISATION OF POROSITY, CARBON DEFECTS AND ETA-PHASE CONTENT (ISO 4499-4:2016)
出版:German Institute for Standardisation (Deutsches Institut für Normung)

專家解讀視頻
HARDMETALS - METALLOGRAPHIC DETERMINATION OF MICROSTRUCTURE - PART 4: CHARACTERISATION OF POROSITY, CARBON DEFECTS AND ETA-PHASE CONTENT (ISO 4499-4:2016)
出版:German Institute for Standardisation (Deutsches Institut für Normung)
專家解讀視頻