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Priority to JP4872274ApriorityCriticalpatent/JPS50141609A/ja
Priority to US05/504,369prioritypatent/US3934808A/en
Priority to FR7430554Aprioritypatent/FR2257399B1/fr
Priority to DE2443442Aprioritypatent/DE2443442A1/de
Publication of JPS50141609ApublicationCriticalpatent/JPS50141609A/ja