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Priority to JP2452290UpriorityCriticalpatent/JPH0741979Y2/ja
Priority to KR1019900019356Aprioritypatent/KR940003915B1/ko
Priority to DE69021838Tprioritypatent/DE69021838T2/de
Priority to ES90122783Tprioritypatent/ES2078285T3/es
Priority to EP90122783Aprioritypatent/EP0430223B1/en
Publication of JPH03115280UpublicationCriticalpatent/JPH03115280U/ja
Application grantedgrantedCritical
Publication of JPH0741979Y2publicationCriticalpatent/JPH0741979Y2/ja