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Priority to JP1974154893UpriorityCriticalpatent/JPS5632272Y2/ja
Priority to US05/641,340prioritypatent/US4087801A/en
Priority to CH1644575Aprioritypatent/CH591691A5/xx
Priority to DE2557428Aprioritypatent/DE2557428C2/de
Publication of JPS5179790UpublicationCriticalpatent/JPS5179790U/ja
Application grantedgrantedCritical
Publication of JPS5632272Y2publicationCriticalpatent/JPS5632272Y2/ja