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发明名称
ESTABILIZADOR DESLIGAVEL PARA COLOCACAO EM UMA HASTE DE PERFURACAO
摘要
申请公布号
BR8002678(A)
申请公布日期
1980.12.09
申请号
BR19800002678
申请日期
1980.04.30
申请人
MORICH TOOL CO
发明人
RICHEY V;MOSES E JR
分类号
E21B17/10;(IPC1-7):E21B17/00
主分类号
E21B17/10
代理机构
代理人
主权项
地址
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