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 JP10818372UpriorityCriticalpatent/JPS5224775Y2/ja
Priority to US398813Aprioritypatent/US3898401A/en
Publication of JPS4964768UpublicationCriticalpatent/JPS4964768U/ja
Application grantedgrantedCritical
Publication of JPS5224775Y2publicationCriticalpatent/JPS5224775Y2/ja