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 JP9248685UpriorityCriticalpatent/JPH0244228Y2/ja
Priority to GB08614855Aprioritypatent/GB2178564B/en
Priority to KR1019860004889Aprioritypatent/KR890001351B1/ko
Priority to US06/876,372prioritypatent/US4702616A/en
Publication of JPS621186UpublicationCriticalpatent/JPS621186U/ja
Application grantedgrantedCritical
Publication of JPH0244228Y2publicationCriticalpatent/JPH0244228Y2/ja
