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Priority to JP1990040184UpriorityCriticalpatent/JP2563811Y2/ja
Priority to KR1019910000078Aprioritypatent/KR950000166B1/ko
Priority to DE4100351Aprioritypatent/DE4100351C2/de
Publication of JPH03130301UpublicationCriticalpatent/JPH03130301U/ja
Priority to US07/861,336prioritypatent/US5183362A/en
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Publication of JP2563811Y2publicationCriticalpatent/JP2563811Y2/ja