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 JP1975177205UpriorityCriticalpatent/JPS5716230Y2/ja
Priority to US05/751,323prioritypatent/US4121348A/en
Priority to DE2659135Aprioritypatent/DE2659135B2/de
Publication of JPS5291030UpublicationCriticalpatent/JPS5291030U/ja
Application grantedgrantedCritical
Publication of JPS5716230Y2publicationCriticalpatent/JPS5716230Y2/ja
