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发明名称
SELF-ALIGNING COUPLING
摘要
申请公布号
US3899199(A)
申请公布日期
1975.08.12
申请号
US19740517116
申请日期
1974.10.23
申请人
WESTINGHOUSE ELECTRIC CORPORATION
发明人
GAREY, ROBERT B.
分类号
E21B43/013;F16L21/02;(IPC1-7):F16L35/00
主分类号
E21B43/013
代理机构
代理人
主权项
地址
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