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 JP10111986UpriorityCriticalpatent/JPS637812U/ja
Priority to US06/924,631prioritypatent/US4751473A/en
Priority to FR868615423Aprioritypatent/FR2589648B1/fr
Publication of JPS637812UpublicationCriticalpatent/JPS637812U/ja