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发明名称
Lens turret for photographic cameras
摘要
申请公布号
US2510360(A)
申请公布日期
1950.06.06
申请号
US19490069792
申请日期
1949.01.07
申请人
BELL & HOWELL COMPANY
发明人
ZUBER JOHN G.
分类号
G03B3/02
主分类号
G03B3/02
代理机构
代理人
主权项
地址
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