
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)

专家解读视频
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)
专家解读视频