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Application filed by Gabor Darvas, Attila Fabian, Istvan Keszthelyi, Csaba Reszegh, Gabor Staud, Oedoen TuermezeifiledCriticalGabor Darvas
Priority to HU598790ApriorityCriticalpatent/HU905987D0/en
Publication of HU905987D0publicationCriticalpatent/HU905987D0/en
HU598790A1990-09-201990-09-20Gas fuelled boiler with storage utilizing heat of burning products with external smoke duct and joined into chimney
HU905987D0
(en)