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发明名称
Fountain pens
摘要
申请公布号
US2902978(A)
申请公布日期
1959.09.08
申请号
US19560625016
申请日期
1956.11.29
申请人
UMBERTO LEGNANI
发明人
LEGNANI UMBERTO
分类号
A23G7/00;B43K5/02;B65B35/08;B65G29/00
主分类号
A23G7/00
代理机构
代理人
主权项
地址
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