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Priority to JP8188969UpriorityCriticalpatent/JPS5040578Y1/ja
Priority to DE19702065757prioritypatent/DE2065757C3/de
Priority to DE19702018584prioritypatent/DE2018584C3/de
Priority to DE19702065996prioritypatent/DE2065996C3/de
Priority to GB1835870Aprioritypatent/GB1313423A/en
Priority to FR7014006Aprioritypatent/FR2039273B1/fr
Publication of JPS5040578Y1publicationCriticalpatent/JPS5040578Y1/ja