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 JP4084573UpriorityCriticalpatent/JPS49142843U/ja
Priority to GB3274973Aprioritypatent/GB1437139A/en
Priority to CA180,695Aprioritypatent/CA1005107A/en
Priority to DE19732347715prioritypatent/DE2347715A1/de
Publication of JPS49142843UpublicationCriticalpatent/JPS49142843U/ja
Priority to US05/560,710prioritypatent/US4052588A/en