Apparatus for heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purpose, namely, heat accumulators; solar collectors for heating, heat regenerators, air conditioning apparatus, air conditioning installations, water filtering apparatus, water softening apparatus and installations, water purification installations, filters for drinking water, water sterilizers, solar furnaces, water purifying apparatus and machines, ventilation air conditioning in...

Apparatus for heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purpose of Swiss origin, namely, heat accumulators, solar collectors for heating, heat regenerators, air conditioning apparatus, air conditioning installations, water filtering apparatus, water softening apparatus and installations, water purification installations, filters for drinking water, water sterilizers, solar furnaces, water purifying apparatus and machines, and ventilation...