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发明名称
T-SLOT MANDREL AND KICKOVER TOOL.
摘要
申请公布号
EP0400037(B1)
申请公布日期
1994.04.06
申请号
EP19890902155
申请日期
1989.01.24
申请人
CRAWFORD, WILLIAM B.
发明人
CRAWFORD, WILLIAM, B.;DE CUIR, PERRY, J., SR.
分类号
E21B23/03;(IPC1-7):E21B23/03
主分类号
E21B23/03
代理机构
代理人
主权项
地址
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