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Priority claimed from FI860319Aexternal-prioritypatent/FI76486C/en
Application filed by Bd Produkt Ab OyfiledCriticalBd Produkt Ab Oy
Publication of NO873847LpublicationCriticalpatent/NO873847L/en
Publication of NO873847D0publicationCriticalpatent/NO873847D0/en
Publication of NO170389BpublicationCriticalpatent/NO170389B/en
Publication of NO170389CpublicationCriticalpatent/NO170389C/en