87677150
Nov 8, 2017
Low profile polymer fluid conductors, namely, non-metal semi-rigid tubing for collecting and removing fluids over a wide area; low profile polymer fluid conductors, namely, non-metal semi-rigid tubing for collecting and removing fluids over a wide area, namely, for removal of fluids from landfills and other large-area spaces; environmental site closure system consisting of a fluid impermeable polymer membrane used as a conduit membrane and a polymer fluid conductor grid, namely, non-metal semi-rigid tubing beneath the membrane
Nonmetallic Building Materials