
ISO GENERAL PURPOSE METRIC SCREW THREADS – BASIC PROFILE PART 1: METRIC SCREW THREADS (ISO 68-1:1998, IDT)
出版:马来西亚标准局(DSM)

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ISO GENERAL PURPOSE METRIC SCREW THREADS – BASIC PROFILE PART 1: METRIC SCREW THREADS (ISO 68-1:1998, IDT)
出版:马来西亚标准局(DSM)
专家解读视频