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 JP8173974ApriorityCriticalpatent/JPS57809B2/ja
Priority to US05/595,425prioritypatent/US4040413A/en
Priority to DE2531801Aprioritypatent/DE2531801C3/de
Priority to FR7522525Aprioritypatent/FR2278305A1/fr
Publication of JPS5111687ApublicationCriticalpatent/JPS5111687A/ja
Publication of JPS57809B2publicationCriticalpatent/JPS57809B2/ja