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Application filedfiledCritical
Priority to JP1975038909UpriorityCriticalpatent/JPS5521847Y2/ja
Priority to US05/619,492prioritypatent/US4003444A/en
Priority to FR7600412Aprioritypatent/FR2302880A1/fr
Publication of JPS51118622UpublicationCriticalpatent/JPS51118622U/ja
Application grantedgrantedCritical
Publication of JPS5521847Y2publicationCriticalpatent/JPS5521847Y2/ja