
ISO Metric Trapezoidal Screw Thread; Allowances and Tolerances for Trapezoidal Screw Threads of General Purpose
出版:German Institute for Standardisation (Deutsches Institut für Normung)

專家解讀視頻
ISO Metric Trapezoidal Screw Thread; Allowances and Tolerances for Trapezoidal Screw Threads of General Purpose
出版:German Institute for Standardisation (Deutsches Institut für Normung)
專家解讀視頻