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发明名称
Automatische Belichtungsregeleinrichtung fuer Kameras
摘要
申请公布号
DE1298879(B)
申请公布日期
1969.07.03
申请号
DE1967B094903
申请日期
1967.10.11
申请人
ERNST & WILHELM BERTRAM, FABRIK PHOTOTECHNISCHER MESSGERAETE
发明人
WILHELM BERTRAM JUN.,
分类号
G03B7/085
主分类号
G03B7/085
代理机构
代理人
主权项
地址
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