11
Installations for lighting, heating, steam generating,
cooking, refrigerating, drying, ventilating, water
distribution, air-condidtioning, humidification and sanitary
installations
17
Gutta-percha, elastic gum, balata and substitutes, objects
made of these materials not included in other classes;
sheets, plates and rods of plastic materials (semi-finished
products); materials for packing, stopping and insulating;
asbestos, mica and products thereof; flexible pipes not of
metal
35
Advertising, distribution of prospectuses and samples;
rental of advertising material; business operation
assistance to industrial or commercial companies; business
advice, information or inquiries; company management
services by means of statistical, mechanographic and
stenotyping work; accounting; document reproduction;
employment agencies; rental of typewriters and office
equipment
37
All refrigerating and air-conditioning installation and
equipment maintenance and installation services
42
Design office services, engineering work, in particular
thermal studies; consulting services regarding thermal,
climatic and air-conditioning needs
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