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发明名称
Means for making pen nibs
摘要
申请公布号
US1867932(A)
申请公布日期
1932.07.19
申请号
US19270183431
申请日期
1927.04.13
申请人
THE WAHL COMPANY
发明人
WAHL JOHN E.;GRONEMANN CARL W.;LUNGREN ARTHUR N.
分类号
B24B19/16
主分类号
B24B19/16
代理机构
代理人
主权项
地址
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