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 Kemiske Fabrikanter Deutsche GfiledCriticalKemiske Fabrikanter Deutsche G
Application grantedgrantedCritical
Publication of DK38596CpublicationCriticalpatent/DK38596C/en