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发明名称
Camera shutter
摘要
申请公布号
US3111073(A)
申请公布日期
1963.11.19
申请号
US19600076886
申请日期
1960.12.19
申请人
BEIL & HOWELL COMPANY
发明人
MUELLER ARTHUR C.
分类号
G03B9/70
主分类号
G03B9/70
代理机构
代理人
主权项
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