
Fasteners - Part 2: Screw Threads - Section 6: Iso General Purpose Metric Screw Threads - Tolerances - Limits Of Sizes For General Purpose External And Internal Screw Threads - Medium Quality
出版:South African Bureau of Standards

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Fasteners - Part 2: Screw Threads - Section 6: Iso General Purpose Metric Screw Threads - Tolerances - Limits Of Sizes For General Purpose External And Internal Screw Threads - Medium Quality
出版:South African Bureau of Standards
专家解读视频