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 JP1976038152UpriorityCriticalpatent/JPS52130766U/ja
Priority to US05/781,329prioritypatent/US4142362A/en
Publication of JPS52130766UpublicationCriticalpatent/JPS52130766U/ja