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Priority claimed from US08/194,442external-prioritypatent/US5441328A/en
Application filed by Fisher-Price, Inc.filedCriticalFisher-Price, Inc.
Publication of HK1006798A1publicationCriticalpatent/HK1006798A1/en
Publication of HK1006798BpublicationCriticalpatent/HK1006798B/en