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Priority to JP7940669ApriorityCriticalpatent/JPS494758B1/ja
Priority to DE19702026970prioritypatent/DE2026970A1/de
Priority to GB28874/70Aprioritypatent/GB1245556A/en
Priority to FR7023090Aprioritypatent/FR2065817A5/fr
Priority to US00097785Aprioritypatent/US3716339A/en
Publication of JPS494758B1publicationCriticalpatent/JPS494758B1/ja