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Priority to JP2132572ApriorityCriticalpatent/JPS549276B2/ja
Priority to GB901673Aprioritypatent/GB1417606A/en
Priority to DE2309116Aprioritypatent/DE2309116C3/de
Priority to US33543173prioritypatent/US3807447A/en
Priority to FR7306484Aprioritypatent/FR2173248B1/fr
Publication of JPS4891620ApublicationCriticalpatent/JPS4891620A/ja
Publication of JPS549276B2publicationCriticalpatent/JPS549276B2/ja