发明名称 METHOD OF AND APPARATUS FOR EXTRACTING TREE STUMPS
摘要 Apparatus for extracting a tree stump (12) comprises a base structure (14) adapted to engage with the ground surface around the stump, gripping means (22) for gripping the tree stump, and lifting means (18.1, 18.2) for forcibly displacing the gripping means upwardly with respect to the base structure while reacting downwardly on the base structure.
申请公布号 WO8905091(A1) 申请公布日期 1989.06.15
申请号 WO1988EP01128 申请日期 1988.12.02
申请人 VANDENBERG, BERNARDUS, JAN 发明人 VANDENBERG, BERNARDUS, JAN
分类号 A01G23/06;(IPC1-7):A01G23/06 主分类号 A01G23/06
代理机构 代理人
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