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经营范围
发明名称
COLLET CONNECTOR
摘要
申请公布号
EP0250072(A3)
申请公布日期
1988.07.06
申请号
EP19870303623
申请日期
1987.04.24
申请人
CAMERON IRON WORKS, INC.
发明人
PETTUS, RONALD G.;SCHMITZ, THOMAS R.
分类号
E21B33/038;F16L37/00;F16L37/48;(IPC1-7):F16L37/00
主分类号
E21B33/038
代理机构
代理人
主权项
地址
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