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Priority claimed from FI853464Aexternal-prioritypatent/FI853464A0/en
Application filed by Ahlstroem OyfiledCriticalAhlstroem Oy
Priority to FI854614ApriorityCriticalpatent/FI79404C/en
Publication of FI854614A0publicationCriticalpatent/FI854614A0/en
Publication of FI854614ApublicationCriticalpatent/FI854614A/en
Application grantedgrantedCritical
Publication of FI79404BpublicationCriticalpatent/FI79404B/en
Publication of FI79404CpublicationCriticalpatent/FI79404C/en