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发明名称
Fountain pen
摘要
申请公布号
US1809416(A)
申请公布日期
1931.06.09
申请号
US19290377888
申请日期
1929.07.11
申请人
LIDDELL JOHN G
发明人
LIDDELL JOHN G.
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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