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 JP1976057113UpriorityCriticalpatent/JPS5548103Y2/ja
Priority to GB16392/77Aprioritypatent/GB1521957A/en
Priority to FR7712447Aprioritypatent/FR2349033A1/fr
Publication of JPS52147811UpublicationCriticalpatent/JPS52147811U/ja
Priority to US06/005,012prioritypatent/US4224918A/en
Application grantedgrantedCritical
Publication of JPS5548103Y2publicationCriticalpatent/JPS5548103Y2/ja