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经营范围
发明名称
Digging wheel structure
摘要
申请公布号
US2284573(A)
申请公布日期
1942.05.26
申请号
US19400327800
申请日期
1940.04.04
申请人
THE BUCKEYE TRACTION DITCHER COMPANY
发明人
HOLLMANN HUBERT;VOORHIS WILLIAM G. VAN
分类号
E02F3/24
主分类号
E02F3/24
代理机构
代理人
主权项
地址
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