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发明名称
Pen
摘要
申请公布号
US2588015(A)
申请公布日期
1952.03.04
申请号
US19480020973
申请日期
1948.04.14
申请人
M. G. UNDERHILL;CHARLES SUTHERLAND
发明人
KOCHENDOERFFER HERMAN
分类号
B43K5/18
主分类号
B43K5/18
代理机构
代理人
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