
Iso General Purpose Metric Screw Threads - Part 50: Combination Of Tolerance Classes For Formed Internal Screw Threads
出版:German Institute for Standardisation (Deutsches Institut für Normung)

专家解读视频
Iso General Purpose Metric Screw Threads - Part 50: Combination Of Tolerance Classes For Formed Internal Screw Threads
出版:German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频