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Medical Definition of Respiratory protective devices
1. Respirators to protect individuals from breathing air contaminated with harmful dusts, fogs, fumes, mists, gases, smokes, sprays, or vapors. (12 Dec 1998)
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1. Respirators to protect individuals from breathing air contaminated with harmful dusts, fogs, fumes, mists, gases, smokes, sprays, or vapors. (12 Dec 1998)