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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Priority to JP6846173ApriorityCriticalpatent/JPS5217537B2/ja
Priority to US05/477,024prioritypatent/US3932321A/en
Priority to DE2428908Aprioritypatent/DE2428908C3/de
Priority to FR7421139Aprioritypatent/FR2233363B1/fr
Priority to GB2690374Aprioritypatent/GB1469591A/en
Publication of JPS5017448ApublicationCriticalpatent/JPS5017448A/ja
Publication of JPS5217537B2publicationCriticalpatent/JPS5217537B2/ja