72290834
Feb 12, 1968
Jan 5, 1971
GAS BURNER ASSEMBLIES OF THE TYPE THAT IS PACKAGED AS A SELF-CONTAINED UNIT FOR SHIPPING PURPOSES, SERVES AS A MEDIUM FOR FIRING INCINERATORS, OVENS, SMALL FURNACES AND BOILERS, AND COMPRISES A GAS BURNER PROPER WITH GAS FEED MEANS THEREFOR, A MOTOR-DRIVEN BLOWER FOR SUPPLYING AIR UNDER PRESSURE TO THE BURNER PROPER, AND AUTOMATIC CONTROL DEVICES
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