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Priority to JP1969051836UpriorityCriticalpatent/JPS4716026Y1/ja
Priority to FR7005633Aprioritypatent/FR2031296A5/fr
Priority to CH224570Aprioritypatent/CH504645A/de
Priority to GB1258701Dprioritypatent/GB1258701A/en
Priority to DE19702011100prioritypatent/DE2011100A1/de
Publication of JPS4716026Y1publicationCriticalpatent/JPS4716026Y1/ja