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 JP7563376UpriorityCriticalpatent/JPS5716696Y2/ja
Priority to US05/803,989prioritypatent/US4172411A/en
Priority to DE2726046Aprioritypatent/DE2726046C3/de
Priority to FR7717693Aprioritypatent/FR2354443A1/fr
Priority to GB24137/77Aprioritypatent/GB1550520A/en
Publication of JPS52165475UpublicationCriticalpatent/JPS52165475U/ja
Application grantedgrantedCritical
Publication of JPS5716696Y2publicationCriticalpatent/JPS5716696Y2/ja