首页> 外国专利> METHOD FOR BUILDING TEMPORARY OR PEMANENT PRESSURE-TIGHT BARRIER ELIMINATING THE WATER-FLOW IN WHATEVER UNDERGROUND HOLLOW, MINE DRIFT, SHAFT, CLOSED-SECTION CHANNEL, GALLERY- OR TUNNELLIKE HEADING AND OTHER SPACE AND RE-OBTAINING THE WATER SEALING OF FAILURED BARRIERS BECAME PERMEABLE

METHOD FOR BUILDING TEMPORARY OR PEMANENT PRESSURE-TIGHT BARRIER ELIMINATING THE WATER-FLOW IN WHATEVER UNDERGROUND HOLLOW, MINE DRIFT, SHAFT, CLOSED-SECTION CHANNEL, GALLERY- OR TUNNELLIKE HEADING AND OTHER SPACE AND RE-OBTAINING THE WATER SEALING OF FAILURED BARRIERS BECAME PERMEABLE

机译:消除地下空洞,矿井漏水,井筒,断面通道,廊道或平底坑走向以及其他空间的水流的临时或永久性压力密闭障碍物的方法,并重新确定了不漏水的持续时间

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