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 JP12924877UpriorityCriticalpatent/JPS5456502U/ja
Priority to US05/942,969prioritypatent/US4227238A/en
Publication of JPS5456502UpublicationCriticalpatent/JPS5456502U/ja