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 JP1978164931UpriorityCriticalpatent/JPS581431Y2/ja
Priority to US06/091,366prioritypatent/US4354399A/en
Priority to IT7927661Aprioritypatent/IT1165388B/it
Priority to FR7929298Aprioritypatent/FR2442757A1/fr
Publication of JPS5583484UpublicationCriticalpatent/JPS5583484U/ja
Application grantedgrantedCritical
Publication of JPS581431Y2publicationCriticalpatent/JPS581431Y2/ja