73686665
Sep 28, 1987
Feb 14, 1989
MACHINES AND PUMPS FOR USE IN THE TREATMENT OF WATER AND FLUID WASTE, AND PARTS THEREOF; FILTERS BEING PARTS OF INDUSTRIAL ENGINES, MOTORS AND MACHINES, FOR USE IN THE TREATMENT OF WATER AND FLUID WASTE, AND PARTS THEREOF
MachineryDETECTING, MEASURING AND MONITORING APPARATUS FOR USE IN THE TREATMENT OF WATER AND FLUID WASTE, AND PARTS THEREOF; APPARATUS FOR REGULATING, CONTROLLING, AND RECORDING THE AMOUNT OF DISSOLVED OR SUSPENDED SOLIDS OR SUSPENDED GASES IN LIQUIDS, AND PARTS THEREOF; MONITORS AND CONTROL APPARATUS FOR USE WITH SULPHONATORS, CHLORINATORS OR AMMONIATORS, AND PARTS THEREOF; ALARMS AND SIGNALLING APPARATUS FOR USE WITH THE AFORESAID, AND PARTS THEREOF
Electrical and Scientific ApparatusWATER AND FLUID WASTE TREATMENT UNITS FOR INDUSTRIAL USE, AND PARTS THEREOF; AND FILTERING UNITS FOR INDUSTRIAL USE, AND PARTS THEREOF
Environmental Control Apparatus