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Priority to JP1862389UpriorityCriticalpatent/JPH02109328U/ja
Priority to DE69013375Tprioritypatent/DE69013375T2/de
Priority to US07/481,277prioritypatent/US5036199A/en
Priority to EP90103261Aprioritypatent/EP0384409B1/en
Publication of JPH02109328UpublicationCriticalpatent/JPH02109328U/ja