
【国外标准】 Photographic lenses. Definitions, methods and accuracy of marking
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适用范围:
暂无
标准号:
BS 1019:1949
标准名称:
Photographic lenses. Definitions, methods and accuracy of marking
英文名称:
Photographic lenses. Definitions, methods and accuracy of marking标准状态:
被代替-
发布日期:
1949-09-22 -
实施日期:
出版语种:
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