PROCESS AND APPARATUS FOR TWO PHASE VACUUM EXTRACTION OF SOIL CONTAMINANTS,申请号EP19900310620-传众专利搜索

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发明名称	PROCESS AND APPARATUS FOR TWO PHASE VACUUM EXTRACTION OF SOIL CONTAMINANTS
摘要
申请公布号	EP0420656(A3)	申请公布日期	1991.10.30
申请号	EP19900310620	申请日期	1990.09.27
申请人	XEROX CORPORATION	发明人	ZIMMERMAN, ERICH;HESS, RONALD E.;HOOPER, ALBERT A.;MORROW, STEVEN R.;WALKER, DIANNE J.
分类号	E21B43/00;B09C1/00;E21B43/12;E21B43/34;(IPC1-7):B09B3/00	主分类号	E21B43/00
代理机构		代理人
主权项
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