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Priority to JP47022535ApriorityCriticalpatent/JPS5134267B2/ja
Priority to DE2263091Aprioritypatent/DE2263091C2/de
Priority to NL7217558.Aprioritypatent/NL165334C/xx
Priority to SU721866468Aprioritypatent/SU915820A3/ru
Publication of JPS4890683ApublicationCriticalpatent/JPS4890683A/ja
Publication of JPS5134267B2publicationCriticalpatent/JPS5134267B2/ja