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 JP1988030698UpriorityCriticalpatent/JPH089515Y2/ja
Priority to US07/315,445prioritypatent/US4955407A/en
Priority to KR2019890001992Uprioritypatent/KR920000949Y1/ko
Publication of JPH01135293UpublicationCriticalpatent/JPH01135293U/ja
Application grantedgrantedCritical
Publication of JPH089515Y2publicationCriticalpatent/JPH089515Y2/ja
