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发明名称
Fountain pen attachment
摘要
申请公布号
US2111518(A)
申请公布日期
1938.03.15
申请号
US19350029005
申请日期
1935.06.29
申请人
JOSEPH AVERSA
发明人
WALLACE JOSEPH
分类号
B43K29/00
主分类号
B43K29/00
代理机构
代理人
主权项
地址
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