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Priority to JP9392970ApriorityCriticalpatent/JPS495500B1/ja
Priority to DE19712152484prioritypatent/DE2152484C3/de
Priority to FR7138012Aprioritypatent/FR2111852B1/fr
Priority to US00346459Aprioritypatent/US3855840A/en
Publication of JPS495500B1publicationCriticalpatent/JPS495500B1/ja