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 Roehm & HafiledCriticalKemiske Fabrikanter Roehm & Ha
Application grantedgrantedCritical
Publication of DK39515CpublicationCriticalpatent/DK39515C/da