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 JP1976027246UpriorityCriticalpatent/JPS5732403Y2/ja
Priority to US05/672,956prioritypatent/US4071958A/en
Publication of JPS52118661UpublicationCriticalpatent/JPS52118661U/ja
Application grantedgrantedCritical
Publication of JPS5732403Y2publicationCriticalpatent/JPS5732403Y2/ja