发明名称 Snow plow attachment
摘要 A device adapted to be attached to a vehicle for plowing snow on gravel covered roads while minimizing loss of gravel caused by plowing which employs a horizontally elongated blade having a concave plowing front surface and a convex rear surface.
申请公布号 US4125950(A) 申请公布日期 1978.11.21
申请号 US19770814753 申请日期 1977.07.11
申请人 MASHFORD, DONALD R. 发明人 MASHFORD, DONALD R.
分类号 E01H5/06;(IPC1-7):E01H5/00;A01B15/00 主分类号 E01H5/06
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