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发明名称
Motion-picture camera lens and filter turret locking mechanism
摘要
申请公布号
US2687669(A)
申请公布日期
1954.08.31
申请号
US19510233806
申请日期
1951.06.27
申请人
JACQUES BOLSEY
发明人
BOLSEY JACQUES
分类号
G03B19/18
主分类号
G03B19/18
代理机构
代理人
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地址
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