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摘要
申请公布号
US2997921(A)
申请公布日期
1961.08.29
申请号
US19590845012
申请日期
1959.10.07
申请人
REVERE CAMERA COMPANY
发明人
LYNCH GERALDINE B.;GILKESON DAVID C.;TURULA EUGENE
分类号
G02B15/14
主分类号
G02B15/14
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代理人
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