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发明名称
Double turret mounting for architectural view camera and multiple lenses
摘要
申请公布号
US2960018(A)
申请公布日期
1960.11.15
申请号
US19570690729
申请日期
1957.10.17
申请人
BILLS RICHARD H
发明人
BILLS RICHARD H.
分类号
G03B19/18
主分类号
G03B19/18
代理机构
代理人
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