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 JP7957165UpriorityCriticalpatent/JPS442475Y1/ja
Priority to GB4219766Aprioritypatent/GB1097327A/en
Priority to DE19661598568prioritypatent/DE1598568B2/de
Publication of JPS442475Y1publicationCriticalpatent/JPS442475Y1/ja
