WATER STOP METHOD BY FREEZING
PROBLEM TO BE SOLVED: To provide a water stop method by freezing, which allows materials to be easily collected and carried around, put in by passing through a middle and small-diameter pipe and stop water by freezing in a short time even in a blocked area where water flows.SOLUTION: In a water stop...
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Main Authors | , , , |
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Format | Patent |
Language | English Japanese |
Published |
08.12.2016
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Subjects | |
Online Access | Get full text |
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