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发明名称
Depth indicator for wheel type trenchers
摘要
申请公布号
US2351792(A)
申请公布日期
1944.06.20
申请号
US19430474379
申请日期
1943.02.01
申请人
THE BUCKEYE TRACTION DITCHER COMPANY
发明人
VOORHIS WILLIAM G. VAN
分类号
E02F5/14;G01B5/18
主分类号
E02F5/14
代理机构
代理人
主权项
地址
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