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F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
F24D5/00—Hot-air central heating systems; Exhaust gas central heating systems
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FR433993D1910-11-111910-11-11Dispositif pour le chauffage à l'eau chaude ou à l'air chaud, utilisant la vapeur comme intermédiaire
ExpiredFR433993A
(fr)
Générateur mobile pour le chauffage à l'eau chaude ou à la vapeur au moyen du gaz et de l'électricité alternativement, avec adjonction d'une surface chauffante quelconque, contiguëet réglable