专利名称：Digging machine发明人：Kukla, Michael申请号：EP90307040.7申请日：19900627公开号：EP0405950A3公开日：19911106
专利附图：
摘要：A machine for digging trenches includes a boom 12 which can be mounted on atractor vehicle. The boom carries an endless chain 14 mounting picks. In order to absorbthe reaction generated when the picks are in operation a ground engaging plate 18 isprovided which can be clamped to the boom.
申请人：BRUFF GROUP LIMITED
地址：Suckley, Worcester WR6 5DS GB
国籍：GB
代理机构：Thompson, George Michael
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