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发明名称
Ball point writing instruments
摘要
申请公布号
US3303825(A)
申请公布日期
1967.02.14
申请号
US19610140973
申请日期
1961.09.21
申请人
THE PARKER PEN COMPANY
发明人
SHUMAN ROBERT COWAN;MEINHARDT FRANCIS JOHN
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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