METHOD FOR DETECTING LEAKS IN UNDERGROUND PRODUCT LINES

申请公布号：EP0674763(B1)

申请号：EP19940903478

申请日期：1993.12.07

申请公布日期：1998.04.29

申请人：

CEI ACQUISITION COMPANY

发明人：HUTCHINSON, RAY, J.;SCHOEN, PATRICK, W.

分类号：G01M3/26;G01M3/28;(IPC1-7):G01M3/28

主分类号：G01M3/26

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