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发明名称
PENPOINT STRUCTURE OF WRITING IMPLEMENTS
摘要
申请公布号
US3586454(A)
申请公布日期
1971.06.22
申请号
US19690877666
申请日期
1969.11.18
申请人
TAKAJI FUNAHASHI
发明人
TAKAJI FUNAHASHI
分类号
B43K1/00;(IPC1-7):B43K8/00
主分类号
B43K1/00
代理机构
代理人
主权项
地址
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