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
Priority to BE792562DpriorityCriticalpatent/BE792562A/xx
Application filedfiledCritical
Priority to JP46100489Aprioritypatent/JPS4865943A/ja
Priority to DE19722260174prioritypatent/DE2260174C3/de
Priority to FR7244019Aprioritypatent/FR2164422A5/fr
Priority to GB5710072Aprioritypatent/GB1421345A/en
Publication of JPS4865943ApublicationCriticalpatent/JPS4865943A/ja