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 JP9938176ApriorityCriticalpatent/JPS5325118A/ja
Priority to US05/824,951prioritypatent/US4140408A/en
Priority to GB34881/77Aprioritypatent/GB1529117A/en
Priority to DE2737538Aprioritypatent/DE2737538C2/de
Priority to FR7725363Aprioritypatent/FR2362012A1/fr
Publication of JPS5325118ApublicationCriticalpatent/JPS5325118A/ja
Publication of JPS553159B2publicationCriticalpatent/JPS553159B2/ja