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 JP6704176UpriorityCriticalpatent/JPS573878Y2/ja
Publication of JPS52158432UpublicationCriticalpatent/JPS52158432U/ja
Application grantedgrantedCritical
Publication of JPS573878Y2publicationCriticalpatent/JPS573878Y2/ja
