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 Deitermann Chemiewerk KgfiledCriticalDeitermann Chemiewerk Kg
Priority to NO753841ApriorityCriticalpatent/NO143164C/no
Publication of NO753841LpublicationCriticalpatent/NO753841L/no
Publication of NO143164BpublicationCriticalpatent/NO143164B/no
Publication of NO143164CpublicationCriticalpatent/NO143164C/no