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发明名称
Writing pen
摘要
申请公布号
US2432012(A)
申请公布日期
1947.12.02
申请号
US19440565922
申请日期
1944.11.30
申请人
EAGLE PENCIL COMPANY
发明人
HANLE BENJAMIN W.
分类号
B43K1/02
主分类号
B43K1/02
代理机构
代理人
主权项
地址
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