Heating, ventilating and air-conditioning apparatus and installations built thereof as well as their essential characteristic parts, namely, air distributors, ventilators, fans, blowers, heaters, coolers, condensers, air conditioners, heat accumulators, recuperators, heat exchangers, pipes, air valves and air ducts; heat pumps, solar collectors, solar accumulators

Dissemination of advertising for others via the Internet, namely, advertising the organization of trade shows of others; promoting trade shows of others via the Internet

WEB-ENABLING INTERNATIONAL CONVENTIONS, TRADE SHOWS AND MEETINGS