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 SE8001720Aexternal-prioritypatent/SE420487B/en
Application filed by Boliden AbfiledCriticalBoliden Ab
Publication of FI813323A7publicationCriticalpatent/FI813323A7/en
Publication of FI813323LpublicationCriticalpatent/FI813323L/en