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 JP1977151633UpriorityCriticalpatent/JPS5711802Y2/ja
Priority to US05/950,020prioritypatent/US4225154A/en
Publication of JPS5478126UpublicationCriticalpatent/JPS5478126U/ja
Application grantedgrantedCritical
Publication of JPS5711802Y2publicationCriticalpatent/JPS5711802Y2/ja