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 JP7990876UpriorityCriticalpatent/JPS5550786Y2/ja
Publication of JPS52170098UpublicationCriticalpatent/JPS52170098U/ja
Application grantedgrantedCritical
Publication of JPS5550786Y2publicationCriticalpatent/JPS5550786Y2/ja