Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Priority to JP48141627ApriorityCriticalpatent/JPS5246092B2/ja
Priority to FR7421499Aprioritypatent/FR2237260B1/fr
Priority to IT5165474Aprioritypatent/IT1018694B/it
Priority to DE19742430320prioritypatent/DE2430320C3/de
Priority to GB2800274Aprioritypatent/GB1470457A/en
Publication of JPS5092720ApublicationCriticalpatent/JPS5092720A/ja
Publication of JPS5246092B2publicationCriticalpatent/JPS5246092B2/ja