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 JP3607589UpriorityCriticalpatent/JPH0621750Y2/ja
Priority to US07/496,843prioritypatent/US4993857A/en
Publication of JPH02126893UpublicationCriticalpatent/JPH02126893U/ja
Application grantedgrantedCritical
Publication of JPH0621750Y2publicationCriticalpatent/JPH0621750Y2/ja
