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 JP1973091805UpriorityCriticalpatent/JPS5137424Y2/ja
Priority to US05/441,630prioritypatent/US3943481A/en
Publication of JPS5038260UpublicationCriticalpatent/JPS5038260U/ja
Application grantedgrantedCritical
Publication of JPS5137424Y2publicationCriticalpatent/JPS5137424Y2/ja