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 JP1973076976UpriorityCriticalpatent/JPS5128306Y2/ja
Priority to US05/482,413prioritypatent/US4044488A/en
Publication of JPS5023285UpublicationCriticalpatent/JPS5023285U/ja
Application grantedgrantedCritical
Publication of JPS5128306Y2publicationCriticalpatent/JPS5128306Y2/ja