FED STD H28/17 Revision A 标准详情
- 标准号:FED STD H28/17 Revision A
- 中文标题:
- 英文标题:Screw-Thread Standards For Federal Services Section 17 Surveying Instrument Mounting Threads - Revision A (Collection)
- 标准类别:联邦标准
- 发布日期:
Requirements for the mating screw threads of base plate and tripod head which secure surveying instruments to tripods or alternative supports.
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