P99 (English, noun)
expansion: P99 (countable and uncountable, plural P99s)
Senses:
glosses: P99; Ellipsis of NIOSH P99.
P99 standard
tags: uncountable
glosses: P99; Ellipsis of NIOSH P99.
P99 filter
tags: countable
Forms:
form: P99s
tags: plural