SEST

[Class - 11]

Heat exchangers (not parts of machines); heat exchangers (terms too vague in the opinion of the International Bureau); radiators; coolers (term too vague in the opinion of the International Bureau); air conditioners (term too vague in the opinion of the International Bureau); heating and cooling systems for household and industrial use; aerovaporizers; air humidifiers; de-icers (term too vague in the opinion of the International Bureau); ice cube machines; gas condensers (other than parts of machines); evaporators in the genre (terms too vague in the opinion of the International Bureau); fans; lighting systems; installations (term too vague in the opinion of the International Bureau) for steam generating, cooking, drying, ventilating, water distribution and sanitary installations.