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 JP11168187UpriorityCriticalpatent/JPS6417081U/ja
Priority to US07/221,646prioritypatent/US4856739A/en
Publication of JPS6417081UpublicationCriticalpatent/JPS6417081U/ja
