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发明名称
Magnetic desk set
摘要
申请公布号
US2510634(A)
申请公布日期
1950.06.06
申请号
US19450626459
申请日期
1945.11.03
申请人
THE PARKER PEN COMPANY
发明人
HULL PHILIP C.
分类号
B43M99/00
主分类号
B43M99/00
代理机构
代理人
主权项
地址
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