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.)
Priority date (The priority date 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 date listed.)
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Publication date
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Priority to JP329973ApriorityCriticalpatent/JPS5221576B2/ja
Priority to US331498Aprioritypatent/US3917477A/en
Priority to FR7305228Aprioritypatent/FR2172244B1/fr
Publication of JPS4986536ApublicationCriticalpatent/JPS4986536A/ja
Priority to US05/574,890prioritypatent/US4022842A/en
Publication of JPS5221576B2publicationCriticalpatent/JPS5221576B2/ja
