发明名称 Trench filling device
摘要 A device for filling an open trench with the dirt previously removed from the trench lying alongside the trench, using a skid-mounted frame having blades to initially fill the trench and leveling the dirt, followed by a compactor.
申请公布号 US2005196241(A1) 申请公布日期 2005.09.08
申请号 US20040780260 申请日期 2004.02.17
申请人 WALLACE MARVIN A. 发明人 WALLACE MARVIN A.
分类号 E02F5/12;E02F5/22;(IPC1-7):E01C19/12 主分类号 E02F5/12
代理机构 代理人
主权项
地址