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 JP1987018472UpriorityCriticalpatent/JPH0350730Y2/ja
Priority to US07/107,459prioritypatent/US4815174A/en
Priority to KR2019870017668Uprioritypatent/KR920002502Y1/ko
Publication of JPS63175426UpublicationCriticalpatent/JPS63175426U/ja
Application grantedgrantedCritical
Publication of JPH0350730Y2publicationCriticalpatent/JPH0350730Y2/ja