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Priority to JP4805872UpriorityCriticalpatent/JPS497315U/ja
Priority to SE7303022Aprioritypatent/SE379897B/xx
Priority to FR7307975Aprioritypatent/FR2175087B3/fr
Priority to GB1095073Aprioritypatent/GB1384199A/en
Publication of JPS497315UpublicationCriticalpatent/JPS497315U/ja