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 JP1972053340UpriorityCriticalpatent/JPS5511287Y2/ja
Priority to US00260430Aprioritypatent/US3824798A/en
Priority to GB2715872Aprioritypatent/GB1372479A/en
Priority to FR7220923Aprioritypatent/FR2160355B1/fr
Publication of JPS4912492UpublicationCriticalpatent/JPS4912492U/ja
Application grantedgrantedCritical
Publication of JPS5511287Y2publicationCriticalpatent/JPS5511287Y2/ja