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 JP7150381UpriorityCriticalpatent/JPS641592Y2/ja
Publication of JPS57182692UpublicationCriticalpatent/JPS57182692U/ja
Application grantedgrantedCritical
Publication of JPS641592Y2publicationCriticalpatent/JPS641592Y2/ja