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Priority to JP1975169277UpriorityCriticalpatent/JPS5437811Y2/ja
Priority to DE19762656775prioritypatent/DE2656775A1/de
Priority to CH1604776Aprioritypatent/CH599838A5/xx
Priority to US05/751,728prioritypatent/US4055869A/en
Publication of JPS5281437UpublicationCriticalpatent/JPS5281437U/ja
Application grantedgrantedCritical
Publication of JPS5437811Y2publicationCriticalpatent/JPS5437811Y2/ja