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发明名称
Lichtbildgeraet mit einer scharfeinstellbaren Objektivanordnung
摘要
申请公布号
DE1928791(A1)
申请公布日期
1969.12.11
申请号
DE19691928791
申请日期
1969.06.06
申请人
BELL & HOWELL COMPANY
发明人
CARL MUELLER,ARTHUR
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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