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

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