发明名称 METHOD OF CONTROLLING SPRING SNOW THAWING ON SLOPES
摘要 A METHOD OF CONTROLLING SPRING SNOW THAWING ON SLOPES A method of controlling snow thawing on slopes has the steps of plowing the snow so as to form rollers of snow extending substantially perpendicularly to a direction of a slope, which snow rollers are arranged in alternating order with thusly exposed strips of soil.
申请公布号 CA2090814(A1) 申请公布日期 1993.04.02
申请号 CA19932090814 申请日期 1993.03.02
申请人 FEODOROV, LEONID 发明人 FEODOROV, LEONID
分类号 E01H5/00;(IPC1-7):E01H5/00 主分类号 E01H5/00
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