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发明名称
Tilknytningskopling
摘要
申请公布号
NO178939(B)
申请公布日期
1996.03.25
申请号
NO19880002129
申请日期
1988.05.16
申请人
COOPER CAMERON CORP;CAMERON IRON WORKS USA INC
发明人
ABREO JR., WILLIAM A.
分类号
E21B33/04;E21B33/038;(IPC1-7):E21B17/043;F16L15/08
主分类号
E21B33/04
代理机构
代理人
主权项
地址
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