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发明名称
Fountain pen
摘要
申请公布号
US2201400(A)
申请公布日期
1940.05.21
申请号
US19390273351
申请日期
1939.05.12
申请人
HOUSTON WILLIAM E
发明人
HOUSTON WILLIAM E.
分类号
B43K5/17
主分类号
B43K5/17
代理机构
代理人
主权项
地址
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