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Priority to JP7818770ApriorityCriticalpatent/JPS5022534B1/ja
Priority to SU1613107Aprioritypatent/SU520881A3/ru
Priority to NL717100899Aprioritypatent/NL148292B/xx
Priority to US109021Aprioritypatent/US3683057A/en
Publication of JPS5022534B1publicationCriticalpatent/JPS5022534B1/ja