
ISO GENERAL PURPOSE METRIC SCREW THREADS - TOLERANCES - PART 3: DEVIATIONS FOR CONSTRUCTIONAL SCREW THREADS
出版:German Institute for Standardisation (Deutsches Institut für Normung)

專家解讀視頻
ISO GENERAL PURPOSE METRIC SCREW THREADS - TOLERANCES - PART 3: DEVIATIONS FOR CONSTRUCTIONAL SCREW THREADS
出版:German Institute for Standardisation (Deutsches Institut für Normung)
專家解讀視頻