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 JP7272474UpriorityCriticalpatent/JPS5436293Y2/ja
Priority to US05/498,622prioritypatent/US3969011A/en
Publication of JPS513083UpublicationCriticalpatent/JPS513083U/ja
Application grantedgrantedCritical
Publication of JPS5436293Y2publicationCriticalpatent/JPS5436293Y2/ja