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 JP11926072UpriorityCriticalpatent/JPS5121770Y2/ja
Priority to US00336790Aprioritypatent/US3829954A/en
Priority to CA164,950Aprioritypatent/CA986696A/en
Priority to DE2312021Aprioritypatent/DE2312021A1/de
Priority to FR7310019Aprioritypatent/FR2180684A1/fr
Priority to IT7349491Aprioritypatent/IT984305B/it
Publication of JPS4976715UpublicationCriticalpatent/JPS4976715U/ja
Application grantedgrantedCritical
Publication of JPS5121770Y2publicationCriticalpatent/JPS5121770Y2/ja