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发明名称
Dispositif de contrôle de l'image d'appareil photographique ou cinématographique réflexe.
摘要
申请公布号
CH230106(A)
申请公布日期
1943.12.15
申请号
CHD230106
申请日期
1942.09.02
申请人
BOOLSKY-BOGOPOLSKY,RAPHAEL
发明人
BOOLSKY-BOGOPOLSKY,RAPHAEL
分类号
G03B13/06;G03B19/12
主分类号
G03B13/06
代理机构
代理人
主权项
地址
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