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 JP7556681UpriorityCriticalpatent/JPS6225181Y2/ja
Publication of JPS57186575UpublicationCriticalpatent/JPS57186575U/ja
Application grantedgrantedCritical
Publication of JPS6225181Y2publicationCriticalpatent/JPS6225181Y2/ja