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发明名称
Fountain pen
摘要
申请公布号
US1989761(A)
申请公布日期
1935.02.05
申请号
US19330696129
申请日期
1933.11.01
申请人
MCBEAN ALEXANDER O
发明人
MCBEAN ALEXANDER O.
分类号
B43K5/06
主分类号
B43K5/06
代理机构
代理人
主权项
地址
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