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 JP9821972UpriorityCriticalpatent/JPS5316152Y2/ja
Priority to GB3919273Aprioritypatent/GB1433426A/en
Priority to US389515Aprioritypatent/US3885354A/en
Publication of JPS4954287UpublicationCriticalpatent/JPS4954287U/ja
Application grantedgrantedCritical
Publication of JPS5316152Y2publicationCriticalpatent/JPS5316152Y2/ja