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 JP9044379UpriorityCriticalpatent/JPS568959U/ja
Priority to US06/131,469prioritypatent/US4371798A/en
Priority to IT8083337Aprioritypatent/IT1209818B/it
Priority to FR8006736Aprioritypatent/FR2452771A1/fr
Priority to DE19803011741prioritypatent/DE3011741A1/de
Priority to GB8010137Aprioritypatent/GB2047969B/en
Publication of JPS568959UpublicationCriticalpatent/JPS568959U/ja