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发明名称
Writing instrument
摘要
申请公布号
US2884900(A)
申请公布日期
1959.05.05
申请号
US19520309908
申请日期
1952.09.16
申请人
FLO-BALL PEN CORPORATION;FLO-BALL PEN CORPORATION
发明人
BOYDEN ROBERT E.;EAKIN RICHARD E.;MARK RICHARD S.;SPIRO IRVING J.
分类号
B43K24/08
主分类号
B43K24/08
代理机构
代理人
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地址
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