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 JP1988102750UpriorityCriticalpatent/JPH0224337U/ja
Priority to DE3911875Aprioritypatent/DE3911875C2/de
Priority to US07/336,103prioritypatent/US4967114A/en
Priority to KR1019890004797Aprioritypatent/KR930000132B1/ko
Publication of JPH0224337UpublicationCriticalpatent/JPH0224337U/ja
