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 JP7060187UpriorityCriticalpatent/JPH0246850Y2/ja
Priority to US07/167,968prioritypatent/US4860676A/en
Publication of JPS63177473UpublicationCriticalpatent/JPS63177473U/ja
Application grantedgrantedCritical
Publication of JPH0246850Y2publicationCriticalpatent/JPH0246850Y2/ja
