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发明名称
Kompresjonspakning
摘要
申请公布号
NO20025246(A)
申请公布日期
2003.01.03
申请号
NO20020005246
申请日期
2002.11.01
申请人
SPECIALISED PETROLEUM SERVICES GROUP LTD
发明人
HOWLETT, PAUL DAVID;TELFER, GEORGE
分类号
E21B33/128;E21B47/10;(IPC1-7):E21B33/128
主分类号
E21B33/128
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代理人
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