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 JP1975101606UpriorityCriticalpatent/JPS5312495Y2/ja
Publication of JPS5215816UpublicationCriticalpatent/JPS5215816U/ja
Application grantedgrantedCritical
Publication of JPS5312495Y2publicationCriticalpatent/JPS5312495Y2/ja