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发明名称
Improvements relating to ball-pointed pens
摘要
申请公布号
GB814734(A)
申请公布日期
1959.06.10
申请号
GB19550025889
申请日期
1955.09.09
申请人
VENUS PENCIL CO. LIMITED
发明人
分类号
B43K1/08
主分类号
B43K1/08
代理机构
代理人
主权项
地址
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