
【国外标准】 Method of carrying out a field test for light output of sub-standard cinematograph projectors
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适用范围:
暂无
标准号:
BS 930:1940
标准名称:
Method of carrying out a field test for light output of sub-standard cinematograph projectors
英文名称:
Method of carrying out a field test for light output of sub-standard cinematograph projectors标准状态:
被代替-
发布日期:
1940-11-18 -
实施日期:
出版语种:
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