
BLANKS FOR SUPERABRASIVE CUTTING-OFF WHEELS - MOUNTING AND FIXING BORES - BUILDING CONSTRUCTION AND CIVIL ENGINEERING (ISO 21538:2016)
出版:German Institute for Standardisation (Deutsches Institut für Normung)

專家解讀視頻
BLANKS FOR SUPERABRASIVE CUTTING-OFF WHEELS - MOUNTING AND FIXING BORES - BUILDING CONSTRUCTION AND CIVIL ENGINEERING (ISO 21538:2016)
出版:German Institute for Standardisation (Deutsches Institut für Normung)
專家解讀視頻