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 JP50092287ApriorityCriticalpatent/JPS5216216A/ja
Priority to US05/708,300prioritypatent/US4121489A/en
Publication of JPS5216216ApublicationCriticalpatent/JPS5216216A/ja
Publication of JPS5615516B2publicationCriticalpatent/JPS5615516B2/ja