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Priority claimed from FI842202Aexternal-prioritypatent/FI842202A0/en
Application filed by Ahlstroem OyfiledCriticalAhlstroem Oy
Priority to FI852263ApriorityCriticalpatent/FI76933C/en
Publication of FI852263A0publicationCriticalpatent/FI852263A0/en
Publication of FI852263LpublicationCriticalpatent/FI852263L/en
Publication of FI76933BpublicationCriticalpatent/FI76933B/en
Application grantedgrantedCritical
Publication of FI76933CpublicationCriticalpatent/FI76933C/en