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发明名称
Improvements in or relating to means for adjusting exposure times and stop values for photographic or cinematographic cameras
摘要
申请公布号
GB541774(A)
申请公布日期
1941.12.11
申请号
GB19390011626
申请日期
1939.04.17
申请人
ZEISS IKON AKTIENGESELLSCHAFT
发明人
分类号
G03B7/04
主分类号
G03B7/04
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