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发明名称
Entfernungsmesser fuer photographische Kameras
摘要
申请公布号
DE537407(C)
申请公布日期
1931.11.02
申请号
DED537407D
申请日期
申请人
ZEISS IKON A.-G.
发明人
分类号
G03B13/20
主分类号
G03B13/20
代理机构
代理人
主权项
地址
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