
Belt Drives - Pulleys - Quality, Finish And Balance
出版:Belgian Standards

專家解讀視頻
1992 [02/12/1992]
ISO 1940 : 1973 - Identical
ISO 254 : 2011 - Identical
ISO 1940 : 1973 - Identical
ISO 1940:1973 - Identical
ISO 254:1998 - Identical
Belt Drives - Pulleys - Quality, Finish And Balance
出版:Belgian Standards
專家解讀視頻
1992 [02/12/1992]
ISO 1940 : 1973 - Identical
ISO 254 : 2011 - Identical
ISO 1940 : 1973 - Identical
ISO 1940:1973 - Identical
ISO 254:1998 - Identical