Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Rudolf GimpertfiledCriticalRudolf Gimpert
Publication of CH38070ApublicationCriticalpatent/CH38070A/de
Appareil de réglage automatique pour chaudières à vapeur pouvant actionner le registre de la cheminée, et des soupapes ou valves de prise de vapeur, ou autres organes