IOF definitions

Iof

1) Infrared optical film
Found on https://www.crosswordclues.com/clue/iof

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IOF

Infrared Optical Film
Found on http://www.encyclo.co.uk/visitor-contributions.php

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IOF

Indian Ordnance Factory
Found on http://www.translationdirectory.com/glossaries/glossary262.php

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