ONU definitions

Onu

1) Reverse card game
Found on https://www.crosswordclues.com/clue/onu

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ONU

Organización de Naciones Unidas (Spanish for United Nations)
Found on http://www-personal.umich.edu/~alandear/glossary/o.html

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ONU

Optical Network Unit
Found on http://www.encyclo.co.uk/visitor-contributions.php

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