
Sintered Metal Materials - Sintered-material Specifications - Part 4: Materials For Structural Parts
出版:German Institute for Standardisation (Deutsches Institut für Normung)

專家解讀視頻
Sintered Metal Materials - Sintered-material Specifications - Part 4: Materials For Structural Parts
出版:German Institute for Standardisation (Deutsches Institut für Normung)
專家解讀視頻