
Screwing taps and cold forming taps Part 1: Basic dimensions of long shank taps
出版:German Institute for Standardisation (Deutsches Institut für Normung)

专家解读视频
Screwing taps and cold forming taps Part 1: Basic dimensions of long shank taps
出版:German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频