Tooth point for earth working
- 专利权人:
- ESCO CORPORATION
- 发明人:
- JONES, LARREN F.
- 申请号:
- US19880235110
- 公开号:
- US4932478(A)
- 申请日:
- 1988.08.22
- 申请国别(地区):
- 美国
- 年份:
- 1990
- 代理人:
- 摘要:
- A tooth point for earth working, particularly ripping, which includes a relatively elongated body having rearwardly projecting tongue and recess means which cooperate with complementary tongue and recess means on a ripper shank protector.
- 来源网站:
- 中国工程科技知识中心