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Priority to JP15816277UpriorityCriticalpatent/JPS5655444Y2/ja
Priority to GB6650/78Aprioritypatent/GB1565326A/en
Priority to US05/879,529prioritypatent/US4220808A/en
Priority to DE2807798Aprioritypatent/DE2807798C2/de
Publication of JPS5482865UpublicationCriticalpatent/JPS5482865U/ja
Application grantedgrantedCritical
Publication of JPS5655444Y2publicationCriticalpatent/JPS5655444Y2/ja