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发明名称
Röropphenganordning for olje- og gassbrönner
摘要
申请公布号
NO174435(C)
申请公布日期
1994.05.04
申请号
NO19850001123
申请日期
1985.03.21
申请人
VETCO OFFSHORE INDUSTRIES INC;VETCO OFFSHORE INC
发明人
MILBERGER, LIONEL JOHN;BARON, DONALD HARWARD;BERNER, PAUL CLEMENS
分类号
E21B33/043;(IPC1-7):E21B33/043
主分类号
E21B33/043
代理机构
代理人
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地址
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