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发明名称
Fountain pen holder
摘要
申请公布号
US1789522(A)
申请公布日期
1931.01.20
申请号
US19290361758
申请日期
1929.05.09
申请人
LEOPOLD KUTTER
发明人
FRITSCH EGON
分类号
B43K5/00
主分类号
B43K5/00
代理机构
代理人
主权项
地址
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