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Priority claimed from US07/815,492external-prioritypatent/US5246442A/en
Application filed by Danek Medical, Inc.filedCriticalDanek Medical, Inc.
Publication of HK1005685A1publicationCriticalpatent/HK1005685A1/zh
Publication of HK1005685BpublicationCriticalpatent/HK1005685B/zh