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 JP6842981UpriorityCriticalpatent/JPH023538Y2/ja
Publication of JPS57180333UpublicationCriticalpatent/JPS57180333U/ja
Application grantedgrantedCritical
Publication of JPH023538Y2publicationCriticalpatent/JPH023538Y2/ja