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发明名称
Improvements in or relating to photo-electric exposure meters
摘要
申请公布号
GB705855(A)
申请公布日期
1954.03.17
申请号
GB19510012754
申请日期
1951.05.30
申请人
ZEISS IKON AKTIENGESELLSCHAFT
发明人
分类号
G01J1/42
主分类号
G01J1/42
代理机构
代理人
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