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Priority claimed from JP17503180Aexternal-prioritypatent/JPS5797819A/en
Priority claimed from JP17627680Aexternal-prioritypatent/JPS57100816A/en
Application filed by Daidotokushuko Kabushiki KaishafiledCriticalDaidotokushuko Kabushiki Kaisha
Priority claimed from EP19810304219external-prioritypatent/EP0054343B1/en
Application grantedgrantedCritical
Publication of ATE8970T1publicationCriticalpatent/ATE8970T1/en