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经营范围
发明名称
Knife sharpener
摘要
申请公布号
US2079891(A)
申请公布日期
1937.05.11
申请号
US19340729254
申请日期
1934.06.06
申请人
THE HOBART MANUFACTURING COMPANY
发明人
WOOD GEORGE R.
分类号
B24B3/46
主分类号
B24B3/46
代理机构
代理人
主权项
地址
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