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 JP8048672UpriorityCriticalpatent/JPS5132558Y2/ja
Priority to CA166,436Aprioritypatent/CA978154A/en
Publication of JPS4938589UpublicationCriticalpatent/JPS4938589U/ja
Application grantedgrantedCritical
Publication of JPS5132558Y2publicationCriticalpatent/JPS5132558Y2/ja