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 JP1981034730UpriorityCriticalpatent/JPS6227611Y2/ja
Publication of JPS57146611UpublicationCriticalpatent/JPS57146611U/ja
Application grantedgrantedCritical
Publication of JPS6227611Y2publicationCriticalpatent/JPS6227611Y2/ja
