bn:02076128n
Noun Named Entity
Categories: Aircraft rocket engines, Rocket engines using hydrogen propellant, Aircraft engine stubs
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Pratt & Whitney XLR-129  XLR-129
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The XLR-129 was an American rocket engine design that would have used liquid hydrogen and liquid oxygen propellants. Wikipedia
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The XLR-129 was an American rocket engine design that would have used liquid hydrogen and liquid oxygen propellants. Wikipedia
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