
ISO GENERAL PURPOSE METRIC SCREW THREADS - PART 9: NOMINAL SIZES FOR 4 MM FINE PITCH THREADS - NOMINAL DIAMETER FROM 40 MM TO 300 MM
出版:German Institute for Standardisation (Deutsches Institut für Normung)

專家解讀視頻
ISO GENERAL PURPOSE METRIC SCREW THREADS - PART 9: NOMINAL SIZES FOR 4 MM FINE PITCH THREADS - NOMINAL DIAMETER FROM 40 MM TO 300 MM
出版:German Institute for Standardisation (Deutsches Institut für Normung)
專家解讀視頻