9 CONTROLLING DEVICES FOR CONTROLLING GAS, IN CONFORMITY WITH TEMPERATURE, PRESSURE AND TIME
11 GAS OPERATED INFRA-RED RADIANT SPACE HEATERS FOR RESIDENTIAL, COMMERCIAL, AND INDUSTRIAL USES; DOMESTIC GAS OPERATED OVENS, GRILLS AND COOKING UTENSILS, INDUSTRIAL INFRA-RED RADIANT DRYING DEVICES USED FOR DRYING INDUSTRIAL PRODUCTS