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Priority to JP1972079698UpriorityCriticalpatent/JPS5327432Y2/ja
Priority to GB3124473Aprioritypatent/GB1424564A/en
Priority to DE19732333275prioritypatent/DE2333275A1/de
Publication of JPS4940288UpublicationCriticalpatent/JPS4940288U/ja
Priority to US05/562,335prioritypatent/US3934267A/en
Application grantedgrantedCritical
Publication of JPS5327432Y2publicationCriticalpatent/JPS5327432Y2/ja