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发明名称
Diaphragme reflex à miroirs pour appareils cinématographiques
摘要
申请公布号
FR879787(A)
申请公布日期
1943.03.04
申请号
FRD879787
申请日期
1942.02.28
申请人
ARNOLD & RICHTER K. G.
发明人
分类号
G03B19/18
主分类号
G03B19/18
代理机构
代理人
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地址
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