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Priority to JP11902475UpriorityCriticalpatent/JPS5332789Y2/ja
Priority to DE19762638788prioritypatent/DE2638788C2/de
Priority to NL7609547Aprioritypatent/NL165966C/xx
Priority to GB3594076Aprioritypatent/GB1557818A/en
Publication of JPS5232490UpublicationCriticalpatent/JPS5232490U/ja
Application grantedgrantedCritical
Publication of JPS5332789Y2publicationCriticalpatent/JPS5332789Y2/ja