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发明名称
Writing instruments
摘要
申请公布号
US3030925(A)
申请公布日期
1962.04.24
申请号
US19570666121
申请日期
1957.06.17
申请人
THE PARKER PEN COMPANY
发明人
DYSON JOHN JOSEPH
分类号
B43K5/00;B43K7/00
主分类号
B43K5/00
代理机构
代理人
主权项
地址
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