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发明名称
Knife sharpener
摘要
申请公布号
US3071899(A)
申请公布日期
1963.01.08
申请号
US19610091354
申请日期
1961.02.24
申请人
GENERAL ELECTRIC COMPANY
发明人
HICKS WILLIAM R.;OEHLBECK BERNARD E.
分类号
B24B3/54
主分类号
B24B3/54
代理机构
代理人
主权项
地址
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