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发明名称
BOEJE MED MINIMAL BEVAEGELSESFRIHED
摘要
申请公布号
DK162977(C)
申请公布日期
1992.06.09
申请号
DK19860001691
申请日期
1986.04.14
申请人
CONOCO INC.
发明人
OLIVEIRA, JOAO G. DE;ERB, PAUL R.;MORTON, ARTHUR W.;TRIANTAFYLLOU, MICHAEL S.
分类号
E21B43/01;B63B22/02;B63B35/44;E21B17/01;(IPC1-7):B63B22/02
主分类号
E21B43/01
代理机构
代理人
主权项
地址
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