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发明名称
Elektrischer Belichtungsmesser
摘要
申请公布号
DE756282(C)
申请公布日期
1953.02.23
申请号
DE1938G097509D
申请日期
1938.03.22
申请人
ALFRED GAUTHIER G.M.B.H.
发明人
BUEHRLE KARL
分类号
G03B7/04
主分类号
G03B7/04
代理机构
代理人
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