GROUNDWATER INFLOW BLOCKING DEVICE FOR UNDERGROUND DISTRIBUTION LINE

摘要

The present invention relates to a groundwater inflow blocking device for an underground distribution line. More specifically, the present invention relates to a groundwater inflow blocking device for an underground distribution line which smoothly performs coupling of a tubular body to a connector so as to safely protect the distribution line buried in the ground from the inflow of groundwater.;COPYRIGHT KIPO 2020