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Priority to JP1985054282UpriorityCriticalpatent/JPH0246720Y2/ja
Priority to IT8647874Aprioritypatent/IT8647874A0/it
Publication of JPS61170292UpublicationCriticalpatent/JPS61170292U/ja
Priority to IT8935926Uprioritypatent/IT218145Z2/it
Application grantedgrantedCritical
Publication of JPH0246720Y2publicationCriticalpatent/JPH0246720Y2/ja