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发明名称
Writing instrument
摘要
申请公布号
US2813511(A)
申请公布日期
1957.11.19
申请号
US19550519728
申请日期
1955.07.05
申请人
THE PARKER PEN COMPANY
发明人
KERSTEN WILLIAM H.
分类号
B43K24/03
主分类号
B43K24/03
代理机构
代理人
主权项
地址
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