77724367
Apr 28, 2009
Nonmetallic building materials, namely, liners for drains, channels, canals, acequias and ditches; systems comprising construction materials, namely, non-metal liners for distribution, conveyance, control, supply, transport and discharge of water, fluids, and mixtures and admixtures containing solids, gases, and other dissolved and undissolved matter
Nonmetallic Building Materials