73797288
May 2, 1989
Nov 5, 1991
THERMOSTATIC VALVES AND AUTOMATIC ELECTRONIC CONTROL APPARATUS, INCLUDING PROGRAMMABLE ADAPTIVE ELECTRONIC CONTROL APPARATUS, FOR INDUSTRIAL AND BUILDING HEATING AND COOLING SYSTEMS; ELECTRONIC TEMPERATUR SENSORS FOR PROTECTION OF AIR CONDITIONING SYSTEMS
Electrical and Scientific ApparatusVALVES AND MOTORIZED VALVES, ALL FOR INDUSTRIAL AND BUILDING HEATING AND COOLING SYSTEMS AND PARTS THEREOF
Environmental Control Apparatus