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 JP1664475UpriorityCriticalpatent/JPS5198544U/ja
Priority to US05/615,708prioritypatent/US4021108A/en
Priority to DE19752544123prioritypatent/DE2544123A1/de
Publication of JPS5198544UpublicationCriticalpatent/JPS5198544U/ja