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发明名称
Flash light
摘要
申请公布号
US1834612(A)
申请公布日期
1931.12.01
申请号
US19300436565
申请日期
1930.03.17
申请人
NATIONAL CARBON COMPANY, INC.
发明人
GILLINGHAM CHARLES A.;PFLUG WILLIAM W.
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