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发明名称
Vorrichtung zur Ermittlung von Blendenwerten fuer photographische Aufnahmen
摘要
申请公布号
DE832502(C)
申请公布日期
1952.02.25
申请号
DE1950M002117
申请日期
1950.02.28
申请人
LUDWIG MUESSIG
发明人
MUESSIG LUDWIG
分类号
G01J1/42
主分类号
G01J1/42
代理机构
代理人
主权项
地址
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