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发明名称
Roadside trencher
摘要
申请公布号
US2140823(A)
申请公布日期
1938.12.20
申请号
US19370169593
申请日期
1937.10.18
申请人
THE BUCKEYE TRACTION DITCHER COMPANY
发明人
VOORHIS WILLIAM G. VAN
分类号
E02F3/18;E02F3/20;E02F5/02;E02F5/08;E02F5/14
主分类号
E02F3/18
代理机构
代理人
主权项
地址
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