METHOD AND APPARATUS FOR DEFLECTING TREE ROOTS, AND COMBINATION OF THE APPARATUS WITH TREE AND STATIC STRUCTURE.
- 专利权人:
- DEEP ROOT PARTNERS, L.P.
- 发明人:
- ALBRECHT, LEONARD, N.
- 申请号：
- EP19930915480
- 公开号：
- EP0605691(A1)
- 申请日:
- 1993.06.28
- 申请国别(地区):
- 欧洲专利局
- 年份:
- 1994
- 代理人:
- 摘要：
- 来源网站：
- 中国工程科技知识中心
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