73655326
Apr 15, 1987
May 30, 1989
MACHINES FOR TREATING, CONVEYING, AND COMPACTING SEWAGE, WASTE WATER AND MUDS; MECHANIZED GRATES FOR WASTES; AND MACHINES FOR HANDLING AND STOCKING LOADS AND LOOSE GOODS, NAMELY STOCK SHELVING, MANUAL AND AUTOMATIC STOCK TRANSPORTS, AND CONVEYORS
MachineryWASTE WATER TREATMENT UNITS, LAMELLAR DECKS AND ESCARPMENT DECKS FOR DECANTATION DOCKS
Environmental Control Apparatus