发明名称 Tooth point for earth working
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.
申请公布号 US4932478(A) 申请公布日期 1990.06.12
申请号 US19880235110 申请日期 1988.08.22
申请人 ESCO CORPORATION 发明人 JONES, LARREN F.
分类号 A01B15/02;E01C23/12;E02F9/28 主分类号 A01B15/02
代理机构 代理人
主权项
地址