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经营范围
发明名称
Earth compacting equipment
摘要
A compaction roller pivotally mounted on an extensible boom-type support, arranged to be lowered at a predetermined angle into an excavated ditch, having control means for changing the angle to a horizontal position and the length of the boom.
申请公布号
US4070129(A)
申请公布日期
1978.01.24
申请号
US19760704498
申请日期
1976.07.12
申请人
MOENCH, SR., FRANK FRED
发明人
MOENCH, SR., FRANK FRED
分类号
E02D3/032;(IPC1-7):E01C19/26
主分类号
E02D3/032
代理机构
代理人
主权项
地址
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