Ppmv definitions

Ppmv

1) Parts per million by volume
Found on https://www.crosswordclues.com/clue/ppmv

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ppmv

Parts per million by volume
Found on http://www.translationdirectory.com/glossaries/glossary136.htm

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ppmv

acronym: parts per million (106) by volume
Found on https://www.encyclo.co.uk/local/20002

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