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经营范围
发明名称
EXCAVATOR TOOTH
摘要
An excavating tooth wherein the coupling between the point and the adapter is achieved through generally helical thread means with an external lock to prevent removal by reverse rotation relative to the direction of the helical thread means.
申请公布号
AU6935381(A)
申请公布日期
1981.11.19
申请号
AU19810069353
申请日期
1981.04.09
申请人
ESCO CORP.
发明人
NAME NOT GIVEN
分类号
E21B10/04;E02F9/28
主分类号
E21B10/04
代理机构
代理人
主权项
地址
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