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发明名称
KOPLING
摘要
申请公布号
NO932825(D0)
申请公布日期
1993.08.09
申请号
NO19930002825
申请日期
1993.08.09
申请人
COOPER INDUSTRIES INC
发明人
RODGERS, TONY A.;WALKER, STEPHEN J.
分类号
E21B33/038;F16L27/06;(IPC1-7):F16L/
主分类号
E21B33/038
代理机构
代理人
主权项
地址
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EVAPORATOR
