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Priority to JP414378UpriorityCriticalpatent/JPS54108598U/ja
Priority to CA319,023Aprioritypatent/CA1112539A/en
Priority to DE19792948262prioritypatent/DE2948262C2/de
Priority to PCT/JP1979/000005prioritypatent/WO1979000491A1/ja
Priority to US05/165,488prioritypatent/US4299289A/en
Publication of JPS54108598UpublicationCriticalpatent/JPS54108598U/ja