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Priority to JP13376473ApriorityCriticalpatent/JPS5069700A/ja
Priority to US501341Aprioritypatent/US3892146A/en
Priority to GB37756/74Aprioritypatent/GB1481093A/en
Priority to CA208,101Aprioritypatent/CA1032253A/en
Priority to FR7429801Aprioritypatent/FR2242201B1/fr
Publication of JPS5069700ApublicationCriticalpatent/JPS5069700A/ja