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发明名称
VERKLAMMERNDE VERBINDUNG FUER AUFWICKELBARE ROEHREN.
摘要
申请公布号
DE69001031(T2)
申请公布日期
1993.06.17
申请号
DE19906001031T
申请日期
1990.03.21
申请人
PUMPTECH N.V., ANTWERPEN/ANVERS, BE
发明人
SAMPA, AUGDON, STAFFORD, TEXAS 77477, US;THOMEER, BART, HOUSTON, TEXAS 77055, US
分类号
E21B17/04;E21B23/14;(IPC1-7):E21B17/20
主分类号
E21B17/04
代理机构
代理人
主权项
地址
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