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 JP1976105574UpriorityCriticalpatent/JPS5531894Y2/ja
Priority to US05/817,441prioritypatent/US4145015A/en
Publication of JPS5327097UpublicationCriticalpatent/JPS5327097U/ja
Application grantedgrantedCritical
Publication of JPS5531894Y2publicationCriticalpatent/JPS5531894Y2/ja