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发明名称
Sharpening device for lawn mowers
摘要
申请公布号
US2586659(A)
申请公布日期
1952.02.19
申请号
US19510237175
申请日期
1951.07.17
申请人
EVELYN C. HOUSLEY;GEORGE ARNOLD;ALFRED L. ARNOLD
发明人
HOUSLEY ROBERT B.
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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