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 Mitsubishi Rayon CofiledCriticalMitsubishi Rayon Co
Priority to NO245972ApriorityCriticalpatent/NO135533C/no
Publication of NO135533BpublicationCriticalpatent/NO135533B/no
Publication of NO135533CpublicationCriticalpatent/NO135533C/no