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发明名称
BALLPOINT PEN AND INK THEREFOR
摘要
<p>A suspension (18) of a pigment in a grease is used as a ballpoint pen (10) ink.</p>
申请公布号
WO1999003934(A2)
申请公布日期
1999.01.28
申请号
GB1998002091
申请日期
1998.07.16
申请人
发明人
分类号
主分类号
代理机构
代理人
主权项
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