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发明名称
Improvements in or relating to a ball point pen
摘要
申请公布号
GB1003653(A)
申请公布日期
1965.09.08
申请号
GB19640015879
申请日期
1964.04.16
申请人
DOLEO S.A.
发明人
分类号
B43K7/03
主分类号
B43K7/03
代理机构
代理人
主权项
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