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 JP48001156ApriorityCriticalpatent/JPS4991294A/ja
Publication of JPS4991294ApublicationCriticalpatent/JPS4991294A/ja
Priority to FR7443127Aprioritypatent/FR2255869B1/fr
Priority to US05/537,510prioritypatent/US3961635A/en