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Priority to JP4077369UpriorityCriticalpatent/JPS5149875Y1/ja
Priority to GB1264575Dprioritypatent/GB1264575A/en
Priority to DE19702019195prioritypatent/DE2019195C/de
Priority to FR7014857Aprioritypatent/FR2046429A5/fr
Publication of JPS5149875Y1publicationCriticalpatent/JPS5149875Y1/ja