发明名称 Machine for making holes in the earth
摘要 The machine is intended to replace the manual digging of holes for inserting posts, etc., and reduce the cost in the process. This is achieved by the machine boring into the earth "automatically" by means of a cutter and at the same time conveying the earth loosened by the cutter to the earth's surface via an auger.
申请公布号 DE3735304(A1) 申请公布日期 1989.05.03
申请号 DE19873735304 申请日期 1987.10.17
申请人 BROSCH,BRUNO;BROSCH,ANDREAS 发明人 BROSCH,BRUNO;BROSCH,ANDREAS
分类号 E02F5/20;E21B7/00 主分类号 E02F5/20
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