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发明名称
Bed knife for lawn mowers
摘要
申请公布号
US2496973(A)
申请公布日期
1950.02.07
申请号
US19460654900
申请日期
1946.03.16
申请人
WORTHINGTON EDWARD H
发明人
WORTHINGTON EDWARD H.
分类号
A01D34/42
主分类号
A01D34/42
代理机构
代理人
主权项
地址
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