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Priority claimed from FI823746Aexternal-prioritypatent/FI66059C/fi
Priority claimed from FI832963Aexternal-prioritypatent/FI71604C/fi
Application filed by Ilkka Toivio, Terttu ToiviofiledCriticalIlkka Toivio
Priority claimed from EP84900056Aexternal-prioritypatent/EP0128178B1/de
Application grantedgrantedCritical
Publication of ATE37215T1publicationCriticalpatent/ATE37215T1/de