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发明名称
Improved apparatus for high vacuum groundwater extraction
摘要
申请公布号
EP0775535(B1)
申请公布日期
2001.10.04
申请号
EP19970301241
申请日期
1994.04.28
申请人
XEROX CORPORATION
发明人
MANCINI, ALFONSO R.;HESS, RONALD E.;WILLIAMS, RICHARD A.;MONTGOMERY, DOUGLAS J.;JURZYSTA, HEINRICH J.
分类号
B09C1/00;E21B43/12;(IPC1-7):B09C1/00
主分类号
B09C1/00
代理机构
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