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 JP8122673UpriorityCriticalpatent/JPS5028083U/ja
Priority to GB4904873Aprioritypatent/GB1451094A/en
Priority to CA183,866Aprioritypatent/CA1007605A/en
Publication of JPS5028083UpublicationCriticalpatent/JPS5028083U/ja