77461375
Apr 29, 2008
Mar 10, 2009
Plastics underground drainage, infiltration, seepage or leach containers and systems consisting of water permeable or perforated plastics tanks and plastics piping for the retention and dispersal of waste water and rainwater, plastics modular units used to form plastics underground drainage, infiltration, seepage or leach containers and aforementioned systems for the retention and dispersal of waste water and rainwater
Nonmetallic Building Materials