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Priority to JP5949269ApriorityCriticalpatent/JPS4843143B1/ja
Priority to DE1947710Aprioritypatent/DE1947710C3/de
Priority to GB1289533Dprioritypatent/GB1289533A/en
Priority to NL6914334Aprioritypatent/NL6914334A/xx
Priority to BE739192Dprioritypatent/BE739192A/xx
Priority to FR6932227Aprioritypatent/FR2018612A1/fr
Publication of JPS4843143B1publicationCriticalpatent/JPS4843143B1/ja