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Priority to JP11314489UpriorityCriticalpatent/JPH077538Y2/ja
Priority to KR2019900014761Uprioritypatent/KR940000896Y1/ko
Priority to DE4030200Aprioritypatent/DE4030200C2/de
Priority to US07/587,842prioritypatent/US5111774A/en
Publication of JPH0352329UpublicationCriticalpatent/JPH0352329U/ja
Application grantedgrantedCritical
Publication of JPH077538Y2publicationCriticalpatent/JPH077538Y2/ja