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 Austria MetallfiledCriticalAustria Metall
Priority to FI842640ApriorityCriticalpatent/FI72291C/en
Publication of FI842640A0publicationCriticalpatent/FI842640A0/en
Publication of FI842640ApublicationCriticalpatent/FI842640A/en
Publication of FI72291BpublicationCriticalpatent/FI72291B/en
Application grantedgrantedCritical
Publication of FI72291CpublicationCriticalpatent/FI72291C/en