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发明名称
Vorrichtung zum Scharfeinstellen des Objektivs einer Kamera
摘要
申请公布号
AT296005(B)
申请公布日期
1972.01.25
申请号
AT19690005259
申请日期
1969.06.03
申请人
BELL & HOWELL COMPANY
发明人
ARTHUR CARL MUELLER
分类号
G03B13/20;(IPC1-7):G03B13/20
主分类号
G03B13/20
代理机构
代理人
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