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 JP12948477ApriorityCriticalpatent/JPS5463295A/ja
Priority to US05/906,359prioritypatent/US4296309A/en
Priority to DE19782821950prioritypatent/DE2821950A1/de
Publication of JPS5463295ApublicationCriticalpatent/JPS5463295A/ja
Publication of JPS5719843B2publicationCriticalpatent/JPS5719843B2/ja
Priority to US06/552,013prioritypatent/US4545881A/en