
ISO general purpose metric screw threads - Selected sizes for screws, bolts and nuts (ISO 262:1998)
出版:German Institute for Standardisation (Deutsches Institut für Normung)

專家解讀視頻
ISO general purpose metric screw threads - Selected sizes for screws, bolts and nuts (ISO 262:1998)
出版:German Institute for Standardisation (Deutsches Institut für Normung)
專家解讀視頻