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发明名称
Dirt remover
摘要
申请公布号
US2300843(A)
申请公布日期
1942.11.03
申请号
US19410421834
申请日期
1941.12.05
申请人
NORWOOD RAN H;FINUS MCCARN
发明人
NORWOOD RAN H.;MCCARN FINUS
分类号
E02F3/42
主分类号
E02F3/42
代理机构
代理人
主权项
地址
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