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.)
Filing date
Publication date
Application filedfiledCritical
Priority to JP47019913ApriorityCriticalpatent/JPS5246494B2/ja
Priority to US00318962Aprioritypatent/US3844379A/en
Priority to GB5982172Aprioritypatent/GB1420085A/en
Publication of JPS4889716ApublicationCriticalpatent/JPS4889716A/ja
Publication of JPS5246494B2publicationCriticalpatent/JPS5246494B2/ja