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 JP13502887UpriorityCriticalpatent/JPH0445090Y2/ja
Priority to KR1019880003772Aprioritypatent/KR890005642A/ko
Publication of JPS6443478UpublicationCriticalpatent/JPS6443478U/ja
Application grantedgrantedCritical
Publication of JPH0445090Y2publicationCriticalpatent/JPH0445090Y2/ja
Priority to KR2019940001173Uprioritypatent/KR940003712Y1/ko