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发明名称
Writing instrument
摘要
申请公布号
US3232278(A)
申请公布日期
1966.02.01
申请号
US19640363327
申请日期
1964.04.20
申请人
JOHMANN FRANK T
发明人
JOHMANN FRANK T.
分类号
B43K24/02
主分类号
B43K24/02
代理机构
代理人
主权项
地址
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