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发明名称
Hook-on sharpening attachment
摘要
申请公布号
US3149444(A)
申请公布日期
1964.09.22
申请号
US19620223924
申请日期
1962.09.17
申请人
SCHNEIDER ROBERT E
发明人
SCHNEIDER ROBERT E.
分类号
B24B3/36
主分类号
B24B3/36
代理机构
代理人
主权项
地址
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