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发明名称
VORRICHTUNG UND VERFAHREN ZUM ISOLIEREN PRODUZIERENDER SCHICHTEN IN EINER BOHRUNG.
摘要
申请公布号
DE325541(T1)
申请公布日期
1989.12.28
申请号
DE19890400163T
申请日期
1989.01.19
申请人
HUTCHINSON, PARIS, FR;MERIP OIL TOOLS INTERNATIONAL S.A., SERRES-CASTET, FR
发明人
CHEYMOL, ANDRE, F-86220 DANGE, FR;BASSE, ALAIN, F-64000 PAU, FR;GUEURET, FRANCOIS CLAUDE, F-78960 VOISINS LE BRETONNEUX, FR;BLU, GILBERT CLAUDE, F-75016 PARIS, FR
分类号
E21B33/126;E21B33/134;(IPC1-7):E21B33/134
主分类号
E21B33/126
代理机构
代理人
主权项
地址
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