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Publication date
Priority claimed from FI850904Aexternal-prioritypatent/FI850904A0/fi
Application filed by Hantaaki OyfiledCriticalHantaaki Oy
Priority to FI851195ApriorityCriticalpatent/FI851195L/fi
Publication of FI851195A0publicationCriticalpatent/FI851195A0/fi
Priority to EP86103537Aprioritypatent/EP0202414A3/en
Publication of FI851195LpublicationCriticalpatent/FI851195L/fi