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 JP1988134674UpriorityCriticalpatent/JPH0713926Y2/ja
Priority to DE3934283Aprioritypatent/DE3934283A1/de
Priority to KR2019890014976Uprioritypatent/KR950008236Y1/ko
Priority to US07/422,405prioritypatent/US5019023A/en
Publication of JPH0256512UpublicationCriticalpatent/JPH0256512U/ja
Application grantedgrantedCritical
Publication of JPH0713926Y2publicationCriticalpatent/JPH0713926Y2/ja
