§ 868.1880. Pulmonary-function data calculator.
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/us/cfr/t21/s§ 868.1880·A research copy — for the controlling text, always check the official state or federal source. Not legal advice.
(a)Identification. A pulmonary-function data calculator is a device used to calculate pulmonary-function values based on actual physical data obtained during pulmonary-function testing.
(b)Classification. Class II (performance standards).