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 Chemische Putzerei U FaerbereifiledCriticalChemische Putzerei U Faerberei
Application grantedgrantedCritical
Publication of AT176200BpublicationCriticalpatent/AT176200B/de