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发明名称
Adjustable eraser holder
摘要
申请公布号
US2286878(A)
申请公布日期
1942.06.16
申请号
US19410373914
申请日期
1941.01.10
申请人
THE PARKER PEN COMPANY
发明人
TEFFT IVAN D.;BAKER MARLIN S.
分类号
B43K29/02
主分类号
B43K29/02
代理机构
代理人
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地址
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