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What Does OPB Stand For?
OPB stands for Oxidizer Preburner.
NASA Acronyms
If you know of another acronym for OPB then please suggest it as a new acronym for OPB.
A database of acronyms
OPB stands for Oxidizer Preburner.
NASA Acronyms
If you know of another acronym for OPB then please suggest it as a new acronym for OPB.