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Publication date
Application filedfiledCritical
Priority to JP1976133552UpriorityCriticalpatent/JPS5619308Y2/ja
Priority to GB41001/77Aprioritypatent/GB1589503A/en
Priority to US05/839,302prioritypatent/US4160221A/en
Priority to DE2744526Aprioritypatent/DE2744526C2/de
Priority to IT7769189Aprioritypatent/IT1091205B/it
Publication of JPS5350880UpublicationCriticalpatent/JPS5350880U/ja
Application grantedgrantedCritical
Publication of JPS5619308Y2publicationCriticalpatent/JPS5619308Y2/ja