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 JP1987140246UpriorityCriticalpatent/JPH0544963Y2/ja
Priority to KR1019880011876Aprioritypatent/KR890005453A/ko
Publication of JPS6444509UpublicationCriticalpatent/JPS6444509U/ja
Priority to KR2019910017547Uprioritypatent/KR920000021Y1/ko
Application grantedgrantedCritical
Publication of JPH0544963Y2publicationCriticalpatent/JPH0544963Y2/ja
