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Priority to JP3755769ApriorityCriticalpatent/JPS5025827B1/ja
Priority to GB1290839Dprioritypatent/GB1290839A/en
Priority to DE2022791Aprioritypatent/DE2022791C3/de
Priority to US36041Aprioritypatent/US3657526A/en
Priority to FR7017669Aprioritypatent/FR2047788A5/fr
Publication of JPS5025827B1publicationCriticalpatent/JPS5025827B1/ja