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Priority to JP5303778UpriorityCriticalpatent/JPS54156302U/ja
Priority to FR7909881Aprioritypatent/FR2423355A1/fr
Priority to US06/031,434prioritypatent/US4267872A/en
Priority to DE19792916162prioritypatent/DE2916162A1/de
Publication of JPS54156302UpublicationCriticalpatent/JPS54156302U/ja