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 JP1978126654UpriorityCriticalpatent/JPS5739271Y2/ja
Priority to US06/070,650prioritypatent/US4279605A/en
Priority to FR7922831Aprioritypatent/FR2436067A1/fr
Publication of JPS5542668UpublicationCriticalpatent/JPS5542668U/ja
Application grantedgrantedCritical
Publication of JPS5739271Y2publicationCriticalpatent/JPS5739271Y2/ja
Priority to US06/513,669prioritypatent/USRE31854E/en