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 JP13080378UpriorityCriticalpatent/JPS578543Y2/ja
Priority to DE19792938126prioritypatent/DE2938126A1/de
Priority to IT7925929Aprioritypatent/IT1123285B/it
Priority to FR7923568Aprioritypatent/FR2436707A1/fr
Publication of JPS5547432UpublicationCriticalpatent/JPS5547432U/ja
Priority to US06/238,964prioritypatent/US4442732A/en
Application grantedgrantedCritical
Publication of JPS578543Y2publicationCriticalpatent/JPS578543Y2/ja