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Application filed by Tikkakoski Ab OyfiledCriticalTikkakoski Ab Oy
Priority to FI229972ApriorityCriticalpatent/FI50188C/fi
Priority to DE19737303908prioritypatent/DE7303908U/de
Publication of FI50188BpublicationCriticalpatent/FI50188B/fi
Application grantedgrantedCritical
Publication of FI50188CpublicationCriticalpatent/FI50188C/fi