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Priority to JP45010810ApriorityCriticalpatent/JPS491062B1/ja
Priority to NL7100846Aprioritypatent/NL7100846A/xx
Priority to DE19712105456prioritypatent/DE2105456A1/de
Priority to GB2123871Aprioritypatent/GB1352609A/en
Publication of JPS491062B1publicationCriticalpatent/JPS491062B1/ja