Ventilation hoods; ventilation hoods for stoves; extractor hoods for kitchens; exhaust hoods for kitchens; apparatus for cooking, namely, cooktops, cooking rings, gas cooking hobs, electric cooking hobs, covers specially adapted for gas cooking hobs, covers specially adapted for electric cooking hobs, vitroceramic cooking hobs, electromagnetic induction cookers for household purposes, induction cooking hobs, induction ovens, covers specially adapted for stove burners, electric cooking stoves,...