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
Priority claimed from SE7610456Aexternal-prioritypatent/SE400425B/en
Priority claimed from SE7612736Aexternal-prioritypatent/SE400678B/en
Application filed by Boraos Elprodukter AbfiledCriticalBoraos Elprodukter Ab
Publication of FI772579ApublicationCriticalpatent/FI772579A/en
Publication of FI63305BpublicationCriticalpatent/FI63305B/en
Application grantedgrantedCritical
Publication of FI63305CpublicationCriticalpatent/FI63305C/en