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 JP1979079735UpriorityCriticalpatent/JPS6325543Y2/ja
Priority to US06/156,653prioritypatent/US4327385A/en
Priority to DE3021751Aprioritypatent/DE3021751C2/de
Priority to FR8012971Aprioritypatent/FR2458870A1/fr
Publication of JPS55178865UpublicationCriticalpatent/JPS55178865U/ja
Application grantedgrantedCritical
Publication of JPS6325543Y2publicationCriticalpatent/JPS6325543Y2/ja