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发明名称
Writing implement
摘要
申请公布号
US2949887(A)
申请公布日期
1960.08.23
申请号
US19560609281
申请日期
1956.10.11
申请人
W. A. SHEAFFER PEN COMPANY
发明人
MARTIN LYNN P.;THOMPSON ELMER D.;BRANNON ROLAND L.;ROSS LEE W.
分类号
B43K5/00
主分类号
B43K5/00
代理机构
代理人
主权项
地址
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