3
cleaning preparations for cleaning ventilation conduits/pipes
5
disinfectants for use in ventilation conduits/pipes
7
compressors for cleaning equipment for ventilation conduits/pipes
9
vacuum cleaners for connection to and use for ventilation for conduits/pipes
11
steam generators and steam valves for cleaning equipment for ventilation for conduits/pipes; components of cleaning equipment; namely, adapters comprising a flange and suction hose extension for sealing and connecting cleaning equipment to ventilation conduits/pipes, spray nozzles powered by compressed air or steam for cleaning ventilation for conduits/pipes, spray nozzles powered by compressed air or steam for spraying or disinfectants in conduits/pipes
37
cleaning services; namely, cleaning of ventilation conduits/pipes particularly in buildings
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