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发明名称
Photographische Kammer, insbesondere Kinoaufnahmekammer, mit Entfernungsmesser
摘要
申请公布号
DE642740(C)
申请公布日期
1937.03.13
申请号
DE1933H137069D
申请日期
1933.08.06
申请人
ERNST HOFMANN
发明人
分类号
G03B13/20
主分类号
G03B13/20
代理机构
代理人
主权项
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