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Priority to JP1990055099UpriorityCriticalpatent/JP2507672Y2/ja
Priority to EP91108376Aprioritypatent/EP0458341A1/en
Priority to US07/704,989prioritypatent/US5123385A/en
Publication of JPH0414708UpublicationCriticalpatent/JPH0414708U/ja
Application grantedgrantedCritical
Publication of JP2507672Y2publicationCriticalpatent/JP2507672Y2/ja
