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 JP9176783UpriorityCriticalpatent/JPS602U/ja
Priority to US06/617,758prioritypatent/US4622872A/en
Publication of JPS602UpublicationCriticalpatent/JPS602U/ja
Application grantedgrantedCritical
Publication of JPS634565Y2publicationCriticalpatent/JPS634565Y2/ja