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 JP48089838ApriorityCriticalpatent/JPS5039561A/ja
Priority to DE19742406890prioritypatent/DE2406890A1/de
Priority to GB673374Aprioritypatent/GB1428608A/en
Publication of JPS5039561ApublicationCriticalpatent/JPS5039561A/ja
Priority to US05/598,219prioritypatent/US4047805A/en