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发明名称
Fountain pen
摘要
申请公布号
US2996750(A)
申请公布日期
1961.08.22
申请号
US19590804158
申请日期
1959.04.06
申请人
BERTRAM CHOLET
发明人
CHOLET BERTRAM
分类号
B43K5/18
主分类号
B43K5/18
代理机构
代理人
主权项
地址
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