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发明名称
Pipe joint having remote control coupling means
摘要
申请公布号
US3096999(A)
申请公布日期
1963.07.09
申请号
US19580746997
申请日期
1958.07.07
申请人
CAMERON IRON WORKS, INC.
发明人
AHLSTONE ARTHUR G.;JONES MARVIN R.
分类号
E21B33/038;F16L37/00
主分类号
E21B33/038
代理机构
代理人
主权项
地址
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