WATER CUT-OFF METHOD FOR PIPE JOINT USING GELLIKE WATER CUT-OFF MATERIAL
PROBLEM TO BE SOLVED: To improve a water cut-of property of a pipe joint without degrading the executability. SOLUTION: A string-shaped gellike cut-off material 3 in which the characteristic of the breaking elongation is maximum 1300% and it is not changed in the service temperature range between -4...
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