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Priority to JP1978100651UpriorityCriticalpatent/JPS5750816Y2/ja
Priority to AU48977/79Aprioritypatent/AU528483B2/en
Priority to DE19792929113prioritypatent/DE2929113A1/de
Priority to NL7905676Aprioritypatent/NL7905676A/nl
Priority to GB7925333Aprioritypatent/GB2026273B/en
Publication of JPS5518853UpublicationCriticalpatent/JPS5518853U/ja
Application grantedgrantedCritical
Publication of JPS5750816Y2publicationCriticalpatent/JPS5750816Y2/ja