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发明名称
Verfahren und Einrichtung zur Scharfeinstellung einer mit Reflex-Einstellsucherkammer versehenen Kamera.
摘要
申请公布号
CH291532(A)
申请公布日期
1953.06.30
申请号
CHD291532
申请日期
1950.10.19
申请人
FRANKE & HEIDECKE
发明人
HEIDECKE FRANKE &
分类号
G03B13/18;G03B13/20
主分类号
G03B13/18
代理机构
代理人
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