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 JP8450571UpriorityCriticalpatent/JPS5215710Y2/ja
Priority to US288739Aprioritypatent/US3864677A/en
Priority to DE2245714Aprioritypatent/DE2245714C3/de
Publication of JPS4841120UpublicationCriticalpatent/JPS4841120U/ja
Application grantedgrantedCritical
Publication of JPS5215710Y2publicationCriticalpatent/JPS5215710Y2/ja