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发明名称
Writing instrument
摘要
申请公布号
US2610611(A)
申请公布日期
1952.09.16
申请号
US19480059587
申请日期
1948.11.12
申请人
W. A. SHEAFFER PEN COMPANY
发明人
MARTIN LYNN P.
分类号
B43K24/02
主分类号
B43K24/02
代理机构
代理人
主权项
地址
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