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发明名称
Knife sharpener
摘要
申请公布号
US3052068(A)
申请公布日期
1962.09.04
申请号
US19590852922
申请日期
1959.11.09
申请人
BURGESS VIBRACRAFTERS, INC.
发明人
BURGESS JACKSON
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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