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Priority to JP6049971ApriorityCriticalpatent/JPS5142948B2/ja
Priority to US00277399Aprioritypatent/US3771085A/en
Priority to GB3699272Aprioritypatent/GB1385819A/en
Publication of JPS4827756ApublicationCriticalpatent/JPS4827756A/ja
Publication of JPS5142948B2publicationCriticalpatent/JPS5142948B2/ja