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 Sterlitamaxky O PromyshlennyfiledCriticalSterlitamaxky O Promyshlenny
Priority to FI761618ApriorityCriticalpatent/FI65419C/fi
Publication of FI761618A7publicationCriticalpatent/FI761618A7/fi
Publication of FI65419BpublicationCriticalpatent/FI65419B/fi
Application grantedgrantedCritical
Publication of FI65419CpublicationCriticalpatent/FI65419C/fi