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 JP1981028379UpriorityCriticalpatent/JPS6334248Y2/ja
Priority to KR1019820000906Aprioritypatent/KR830009601A/ko
Publication of JPS57140712UpublicationCriticalpatent/JPS57140712U/ja
Priority to KR2019870000158Uprioritypatent/KR870001689Y1/ko
Application grantedgrantedCritical
Publication of JPS6334248Y2publicationCriticalpatent/JPS6334248Y2/ja