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 JP1976131746UpriorityCriticalpatent/JPS6143311Y2/ja
Priority to GB21126/77Aprioritypatent/GB1565756A/en
Priority to US05/800,544prioritypatent/US4128819A/en
Priority to US05/800,627prioritypatent/US4126800A/en
Publication of JPS5471934UpublicationCriticalpatent/JPS5471934U/ja
Application grantedgrantedCritical
Publication of JPS6143311Y2publicationCriticalpatent/JPS6143311Y2/ja