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发明名称
Fastening for fountain pen caps
摘要
申请公布号
US2192644(A)
申请公布日期
1940.03.05
申请号
US19380191663
申请日期
1938.02.21
申请人
LA MAY WALLACE E;CHANCE GEORGE W
发明人
MAY WALLACE E. LA;CHANCE GEORGE W.
分类号
B43K23/12
主分类号
B43K23/12
代理机构
代理人
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