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Priority to JP2673185UpriorityCriticalpatent/JPH0219127Y2/ja
Publication of JPS61142017UpublicationCriticalpatent/JPS61142017U/ja
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Publication of JPH0219127Y2publicationCriticalpatent/JPH0219127Y2/ja
Airways, lungs, and gastrointestinal tract protection system aginst aspiration and ingestion of foreign dental bodies in conscious and consciously sedated dental patients