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 JP12641986UpriorityCriticalpatent/JPH032360Y2/ja
Priority to US07/082,130prioritypatent/US4828460A/en
Priority to KR1019870008786Aprioritypatent/KR900003698B1/ko
Priority to CA000544277Aprioritypatent/CA1291315C/en
Publication of JPS6334559UpublicationCriticalpatent/JPS6334559U/ja
Application grantedgrantedCritical
Publication of JPH032360Y2publicationCriticalpatent/JPH032360Y2/ja
