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Priority to JP5431871UpriorityCriticalpatent/JPS5230827Y2/ja
Priority to GB2889272Aprioritypatent/GB1370046A/en
Priority to CA145,205Aprioritypatent/CA980458A/en
Priority to FR727222373Aprioritypatent/FR2143199B1/fr
Priority to DE19722230295prioritypatent/DE2230295C3/de
Publication of JPS4812928UpublicationCriticalpatent/JPS4812928U/ja
Application grantedgrantedCritical
Publication of JPS5230827Y2publicationCriticalpatent/JPS5230827Y2/ja