The repairing and reinforcement method for a deteriorated sever pipe by non- excavation and that apparatus
The present invention is developed to reduce consumption of fuel. The present invention relates to an overall non-excavation repair and reinforcement apparatus for a deteriorated drain pipe, and an overall non-excavation repair and reinforcement method for a deteriorated drain pipe, comprising: a fi...
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Format: | Patent |
Sprache: | eng ; kor |
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