
Toothing of chain wheels for roller chains as specified in DIN 8187 and DIN 8188; profile dimensions
出版:German Institute for Standardisation (Deutsches Institut für Normung)

专家解读视频
Toothing of chain wheels for roller chains as specified in DIN 8187 and DIN 8188; profile dimensions
出版:German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频