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发明名称
Fountain pen
摘要
申请公布号
US2090034(A)
申请公布日期
1937.08.17
申请号
US19370121420
申请日期
1937.01.21
申请人
ELLISON WILLIAM F
发明人
ELLISON WILLIAM F.
分类号
B43K5/14
主分类号
B43K5/14
代理机构
代理人
主权项
地址
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