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发明名称
Pretimer for shutters
摘要
申请公布号
US2245248(A)
申请公布日期
1941.06.10
申请号
US19400340150
申请日期
1940.06.12
申请人
EASTMAN KODAK COMPANY
发明人
AULENBACHER GEORGE E.;MARTIN LAWRENCE R.
分类号
G03B9/64
主分类号
G03B9/64
代理机构
代理人
主权项
地址
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