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经营范围
发明名称
Lawnmower sharpener
摘要
申请公布号
US2780034(A)
申请公布日期
1957.02.05
申请号
US19540436576
申请日期
1954.06.14
申请人
MARJORY C. TURNER
发明人
TURNER CHARLES L.
分类号
B24B3/42
主分类号
B24B3/42
代理机构
代理人
主权项
地址
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