| http://www.w3.org/ns/prov#value | - using biofiltration for toilets, comprises toilet bowl pipes, by which grey water is discharged from system for flushing toilets, and pumps and other electrically operating units operated with solar energyEP0382520A2 *Feb 8, 1990Aug 16, 1990Kaneyuki SuzukiA flush toiletWO2001072193A1 *Mar 29, 2001Oct 4, 2001Zerolet IncCompact recycling electric dehydration toiletWO2003045212A1Nov 28, 2002Jun 5, 2
|
