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 JP1975059328UpriorityCriticalpatent/JPS6013057Y2/ja
Priority to US05/679,027prioritypatent/US4052745A/en
Publication of JPS51139620UpublicationCriticalpatent/JPS51139620U/ja
Application grantedgrantedCritical
Publication of JPS6013057Y2publicationCriticalpatent/JPS6013057Y2/ja
