72274666
Jun 23, 1967
Sep 12, 1972
SUPERHEATER PIPES, SUPERHEATER CAPS, PIPE COILS, PIPES, PIPE LINES AND PIPE COMBINATIONS MADE FROM METAL, SYNTHETICS, GLASS OR CERAMIC
FirearmsAUTOMATIC CONTROLLERS FOR MEASURING QUANTITY OF STEAM FLOW AND STEAM PRESSURE FROM STEAM BOILERS AND CONTROLLING THE OPERATION OF THE BOILER FOR MAINTAINING STEAM CONDITIONS
Fancy GoodsSTEAM BOILERS, OF ALL TYPES OF CONSTRUCTION AND PARTS THEREOF, HOT WATER BOILERS, WASTE HEAT BOILERS FOR PRODUCTION OF STEAM AND HOT WATER, STEAM SUPERHEATERS, FLUE PIPE SUPERHEATERS, INTERMEDIATE STEAM SUPERHEATERS, STEAM COLLECTING BOXES, FEED WATER PREHEATERS, AIR PREHEATERS, GAS HEATERS, GAS DRYERS, HEAT EXCHANGERS, FIREPLACE GRATES-NAMELY, STATIONARY GRATES, WATER COOLED GRATES, SHAKING GRATES, DRUM GRATES, TRAVELING GRATES, CHIMNEY DRAUGHT REGULATORS OR INTENSIFIERS, BURNERS FOR LIQUID OR GASEOUS FUELS, BURNERS FOR SOLID, LIQUID OR GASEOUS FUELS INCLUDING GEARS FOR DRIVING SAME, OVENS FOR INDUSTRY AND TRADE, INCINERATORS, REACTORS FOR PRODUCTION OF STEAM AND FOR THE CHEMICAL INDUSTRY, DOUBLE TUBE COOLERS FOR COOLING LIQUID AND GASEOUS SUBSTANCES WITH WATER WHILE HEATING THE WATER
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