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Application filedfiledCritical
Priority to JP6901673UpriorityCriticalpatent/JPS5217705Y2/ja
Priority to US05/467,305prioritypatent/US3998516A/en
Priority to DE19742423435prioritypatent/DE2423435C3/de
Priority to GB2140874Aprioritypatent/GB1477336A/en
Publication of JPS5016427UpublicationCriticalpatent/JPS5016427U/ja
Application grantedgrantedCritical
Publication of JPS5217705Y2publicationCriticalpatent/JPS5217705Y2/ja