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 JP12660476UpriorityCriticalpatent/JPS568775Y2/ja
Priority to GB3935977Aprioritypatent/GB1556318A/en
Priority to CA287,223Aprioritypatent/CA1056425A/en
Publication of JPS5344827UpublicationCriticalpatent/JPS5344827U/ja
Application grantedgrantedCritical
Publication of JPS568775Y2publicationCriticalpatent/JPS568775Y2/ja
