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 JP14713775UpriorityCriticalpatent/JPS5260328U/ja
Priority to US05/729,275prioritypatent/US4107705A/en
Priority to DE2649212Aprioritypatent/DE2649212C3/de
Publication of JPS5260328UpublicationCriticalpatent/JPS5260328U/ja