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发明名称
Ledekile-anordning
摘要
申请公布号
NO980042(A)
申请公布日期
1998.03.04
申请号
NO19980000042
申请日期
1998.01.05
申请人
RED BARON (OIL TOOLS RENTAL) LTD, THE
发明人
MCGARIAN, BRUCE;STEINKAMP, MANFRED
分类号
E21B7/06;E21B7/08;E21B21/10;E21B23/01;E21B23/04;E21B29/06;(IPC1-7):E21B7/06
主分类号
E21B7/06
代理机构
代理人
主权项
地址
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