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 JP5129880UpriorityCriticalpatent/JPS6244742Y2/ja
Priority to US06/247,188prioritypatent/US4401278A/en
Priority to GB8109521Aprioritypatent/GB2073649B/en
Priority to DE3111854Aprioritypatent/DE3111854C2/de
Priority to CA000374078Aprioritypatent/CA1162045A/en
Publication of JPS56151350UpublicationCriticalpatent/JPS56151350U/ja
Application grantedgrantedCritical
Publication of JPS6244742Y2publicationCriticalpatent/JPS6244742Y2/ja