Air conditioning apparatus; Air purifying apparatus and machines; Air-conditioning, air cooling and ventilation apparatus and instruments; Baths, bathtubs, whirlpool baths and bath installations; Boilers for heating installations; Economisers, namely, devices for warming feed water in heating boilers; Heat accumulators; Heating systems for residential and commercial buildings comprised of boilers, valves, pipes, manifolds, control panel switches, and electrical wire, all sold as a unit; Pipes for heating boilers; Sauna bath installations; Showers; Solar collectors for heating; Thermostatic valves

'accumul':41 'air':1,4,10,12 'air-condit':9 'apparatus':3,6,16 'bath':19,22,24,71 'bathtub':20 'boiler':26,39,51,69 'build':48 'collector':75 'commerci':47 'compris':49 'condit':2,11 'control':55 'cool':13 'devic':32 'economis':30 'electr':59 'feed':35 'heat':28,38,40,42,68,77 'instal':25,29,72 'instrument':18 'machin':8 'manifold':54 'name':31 'panel':56 'pipe':53,66 'purifi':5 'residenti':45 'sauna':70 'shower':73 'solar':74 'sold':62 'switch':57 'system':43 'thermostat':78 'unit':65 'valv':52,79 'ventil':15 'warm':34 'water':36 'whirlpool':21 'wire':60

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