What does OPR mean in NASA?

This page is about the meanings of the acronym/abbreviation/shorthand OPR in the Governmental field in general and in the NASA terminology in particular.

Oxygen Pressure Regulator

Governmental » NASA


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"OPR." Abbreviations.com. STANDS4 LLC, 2015. Web. 29 Mar. 2015. <http://www.abbreviations.com/term/565285>.