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发明名称
Method of making ball point writing instrument
摘要
申请公布号
US3162941(A)
申请公布日期
1964.12.29
申请号
US19630249368
申请日期
1963.01.04
申请人
A. T. CROSS COMPANY
发明人
YOUNG DONALD H.
分类号
B43K1/08
主分类号
B43K1/08
代理机构
代理人
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