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发明名称
DISPOSITIVO DE ACOPLAMENTO
摘要
申请公布号
BR9303328(A)
申请公布日期
1994.03.08
申请号
BR1993PI03328
申请日期
1993.08.09
申请人
COOPER INDUSTRIES INC.
发明人
TONY A. RODGERS;STEPHEN J. WALKER
分类号
E21B33/038;F16L27/06;(IPC1-7):B63B35/44
主分类号
E21B33/038
代理机构
代理人
主权项
地址
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