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 JP1986147557UpriorityCriticalpatent/JPH0312226Y2/ja
Priority to US07/097,773prioritypatent/US4838815A/en
Priority to KR1019870010686Aprioritypatent/KR900005087B1/ko
Publication of JPS6354280UpublicationCriticalpatent/JPS6354280U/ja
Application grantedgrantedCritical
Publication of JPH0312226Y2publicationCriticalpatent/JPH0312226Y2/ja