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 JP8058172UpriorityCriticalpatent/JPS5122841Y2/ja
Priority to US00340604Aprioritypatent/US3814572A/en
Priority to DE19732312420prioritypatent/DE2312420C3/de
Priority to NL7303539Aprioritypatent/NL7303539A/xx
Publication of JPS4939778UpublicationCriticalpatent/JPS4939778U/ja
Application grantedgrantedCritical
Publication of JPS5122841Y2publicationCriticalpatent/JPS5122841Y2/ja
