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发明名称
Fountain pen
摘要
申请公布号
US2590943(A)
申请公布日期
1952.04.01
申请号
US19470746182
申请日期
1947.05.06
申请人
COSKEY ALEXANDER N;ERIKAINEN OTTO E
发明人
COSKEY ALEXANDER N.;ERIKAINEN OTTO E.
分类号
B43K5/04
主分类号
B43K5/04
代理机构
代理人
主权项
地址
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