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 JP8160173UpriorityCriticalpatent/JPS5028736U/ja
Priority to US05/486,368prioritypatent/US3994003A/en
Publication of JPS5028736UpublicationCriticalpatent/JPS5028736U/ja