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 JP7277880UpriorityCriticalpatent/JPS56174226U/ja
Priority to US06/168,285prioritypatent/US4365181A/en
Priority to DE19803026655prioritypatent/DE3026655A1/de
Publication of JPS56174226UpublicationCriticalpatent/JPS56174226U/ja