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发明名称
Fountain pen
摘要
申请公布号
US2796850(A)
申请公布日期
1957.06.25
申请号
US19550506613
申请日期
1955.05.06
申请人
ALFRED EMERSON
发明人
EMERSON ALFRED
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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