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 JP1976006095UpriorityCriticalpatent/JPS571772Y2/ja
Priority to US05/759,957prioritypatent/US4089161A/en
Priority to GB2345/77Aprioritypatent/GB1568609A/en
Publication of JPS5298467UpublicationCriticalpatent/JPS5298467U/ja
Application grantedgrantedCritical
Publication of JPS571772Y2publicationCriticalpatent/JPS571772Y2/ja
