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 JP1981074200UpriorityCriticalpatent/JPH017997Y2/ja
Publication of JPS57187000UpublicationCriticalpatent/JPS57187000U/ja
Application grantedgrantedCritical
Publication of JPH017997Y2publicationCriticalpatent/JPH017997Y2/ja