DEVICE FOR WITHDRAWING DUG MATERIAL FOR MAKING DEEP TRENCHES

申请公布号：EP0353152(B1)

申请号：EP19890402126

申请日期：1989.07.26

申请公布日期：1992.06.17

申请人：

SOLETANCHE SOCIETE ANONYME DITE:

发明人：BOLLINGER, KARL;CHAGNOT, PHILIPPE;DIETSCH, JOSEPH

分类号：E02F5/02;E02F5/08;E02F5/20;E02F7/00;E02F7/10;E21B7/00;E21B17/07;E21B17/20;E21B19/22;E21B21/00;E21D1/06

主分类号：E02F5/02

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