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 Industrie-Werke Karlsruhe AktiengesellschaftfiledCriticalIndustrie-Werke Karlsruhe Aktiengesellschaft
Application grantedgrantedCritical
Publication of AT195221BpublicationCriticalpatent/AT195221B/de