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 JP17793585UpriorityCriticalpatent/JPS6216508U/ja
Priority to US06/919,041prioritypatent/US4779672A/en
Publication of JPS6216508UpublicationCriticalpatent/JPS6216508U/ja
