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 JP2620787UpriorityCriticalpatent/JPH055471Y2/ja
Priority to US07/158,970prioritypatent/US4903398A/en
Publication of JPS63135138UpublicationCriticalpatent/JPS63135138U/ja
Application grantedgrantedCritical
Publication of JPH055471Y2publicationCriticalpatent/JPH055471Y2/ja