Closing tool
- 专利权人:
- John William Ryan
- 发明人:
- John William Ryan
- 申请号：
- US13076706
- 公开号：
- US08881663B2
- 申请日:
- 2011.03.31
- 申请国别(地区):
- US
- 年份:
- 2014
- 代理人:
- 摘要：
- A closing tool to be attached to a plough frame to engage a soil layer, the tool includes an attachment stem via which the closing tool is attached to the plough frame. Secured to the lower portion of the stem are wear resistant members.
- 来源网站：
- 中国工程科技知识中心
