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发明名称
Gripeanordning til griping av foringsrör
摘要
申请公布号
NO993493(A)
申请公布日期
1999.09.06
申请号
NO19990003493
申请日期
1999.07.15
申请人
WEATHERFORD/LAMB INC
发明人
PIETRAS, BERND-GEORG;SCHULZE-BECKINGHAUSEN, JOERG-ERICH;CARLSSON, ANDREAS
分类号
B25B1/24;E21B19/16;(IPC1-7):E21B19/16
主分类号
B25B1/24
代理机构
代理人
主权项
地址
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