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Priority to JP11778390UpriorityCriticalpatent/JPH081029Y2/ja
Priority to ITTO910861Aprioritypatent/IT1250047B/it
Priority to FI915289Aprioritypatent/FI102369B/fi
Publication of JPH0478982UpublicationCriticalpatent/JPH0478982U/ja
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Publication of JPH081029Y2publicationCriticalpatent/JPH081029Y2/ja