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Priority claimed from FI960408Uexternal-prioritypatent/FI2898U1/en
Application filed by Aarre Armas OjalafiledCriticalAarre Armas Ojala
Priority to FI970066UpriorityCriticalpatent/FI3003U1/en
Publication of FIU970066U0publicationCriticalpatent/FIU970066U0/en
Application grantedgrantedCritical
Publication of FI3003U1publicationCriticalpatent/FI3003U1/en