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Priority to JP10164971UpriorityCriticalpatent/JPS4857990U/ja
Priority to GB3008872Aprioritypatent/GB1391667A/en
Priority to DE2231435Aprioritypatent/DE2231435A1/de
Priority to FR7227052Aprioritypatent/FR2149788A5/fr
Priority to US279518Aprioritypatent/US3859727A/en
Publication of JPS4857990UpublicationCriticalpatent/JPS4857990U/ja