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 JP2706072ApriorityCriticalpatent/JPS4894761A/ja
Priority to FR7240976Aprioritypatent/FR2160637A1/fr
Publication of JPS4894761ApublicationCriticalpatent/JPS4894761A/ja
