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
Priority claimed from DE1897116220Dexternal-prioritypatent/DE116220C/de
Application filed by Heiz Und Beleuchtungswesen M BfiledCriticalHeiz Und Beleuchtungswesen M B
Application grantedgrantedCritical
Publication of AT5085BpublicationCriticalpatent/AT5085B/de