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 DE1904162307Dexternal-prioritypatent/DE162307C/de
Application filed by Ortenbach & Vogel FafiledCriticalOrtenbach & Vogel Fa
Application grantedgrantedCritical
Publication of AT23451BpublicationCriticalpatent/AT23451B/en