PQQ
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PQQ may refer to:
- Pyrroloquinoline quinone, enzyme cofactor
- Port Macquarie Airport, IATA Airport Code
- Pre-qualification questionnaire, which precedes an invitation to tender
This is the current revision of this page, as edited by BobKilcoyne (talk | contribs) at 16:10, 29 December 2020 (Redirected link). The present address (URL) is a permanent link to this version.
PQQ may refer to: