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发明名称
Verfahren und Vorrichtung zur Ermittlung der Belichtungszeit photographischer Objekte
摘要
申请公布号
DE746607(C)
申请公布日期
1944.08.16
申请号
DE1942L109608D
申请日期
1942.11.17
申请人
ERNST LEITZ G.M.B.H.
发明人
MAY ERWIN
分类号
G01J1/04;G01J1/42
主分类号
G01J1/04
代理机构
代理人
主权项
地址
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