
ISO GENERAL PURPOSE METRIC SCREW THREADS - TOLERANCES - PART 2: LIMITS OF SIZES FOR GENERAL PURPOSE BOLT AND NUT THREADS - MEDIUM QUALITY
出版:German Institute for Standardisation (Deutsches Institut für Normung)

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ISO GENERAL PURPOSE METRIC SCREW THREADS - TOLERANCES - PART 2: LIMITS OF SIZES FOR GENERAL PURPOSE BOLT AND NUT THREADS - MEDIUM QUALITY
出版:German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频