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发明名称
Belichtungsregler fuer Lichtbildgeraete mit Voreinstellung von Blende und Zeit
摘要
申请公布号
DE869006(C)
申请公布日期
1953.03.02
申请号
DE1942M003580D
申请日期
1942.04.03
申请人
MAUL MICHAEL
发明人
MAUL MICHAEL
分类号
G03B7/12
主分类号
G03B7/12
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代理人
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