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 JP5342088UpriorityCriticalpatent/JPH0633375Y2/ja
Priority to US07/312,110prioritypatent/US4907446A/en
Priority to KR2019890001881Uprioritypatent/KR920005284Y1/ko
Priority to DE3906344Aprioritypatent/DE3906344A1/de
Publication of JPH01156424UpublicationCriticalpatent/JPH01156424U/ja
Application grantedgrantedCritical
Publication of JPH0633375Y2publicationCriticalpatent/JPH0633375Y2/ja