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发明名称
Optisches System fuer Bildsucher an Kinoaufnahmekammern
摘要
申请公布号
DE556676(C)
申请公布日期
1932.08.20
申请号
DED556676D
申请日期
申请人
HUGH IVAN GRAMATZKI
发明人
分类号
G02B23/14
主分类号
G02B23/14
代理机构
代理人
主权项
地址
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