
Sintered Metal Materials - Sint-testing Procedures - Part 4: Determination Of Apparent Hardness
出版:German Institute for Standardisation (Deutsches Institut für Normung)

專家解讀視頻
Sintered Metal Materials - Sint-testing Procedures - Part 4: Determination Of Apparent Hardness
出版:German Institute for Standardisation (Deutsches Institut für Normung)
專家解讀視頻