标准查询 标准查询气管.第2部分:MAGILL式口气管和鼻气管（普通的和套管状的）
Tracheal tubes -- Part 2: Oro-tracheal and naso-tracheal tubes of the Magill type (plain and cuffed)
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标准查询Tracheal tubes -- Part 2: Oro-tracheal and naso-tracheal tubes of the Magill type (plain and cuffed)
