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Priority claimed from JP49009921Aexternal-prioritypatent/JPS5249764B2/ja
Priority claimed from JP1850674Aexternal-prioritypatent/JPS5432417B2/ja
Priority claimed from JP2677874Aexternal-prioritypatent/JPS5433219B2/ja
Priority claimed from FI1444/74Aexternal-prioritypatent/FI55778C/en
Application filed by Aikoh CofiledCriticalAikoh Co
Publication of FI781048ApublicationCriticalpatent/FI781048A/en
Application grantedgrantedCritical
Publication of FI56494BpublicationCriticalpatent/FI56494B/en
Publication of FI56494CpublicationCriticalpatent/FI56494C/en