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Message * Articles On High-bypass Turbofan Engines, including Rolls-royce Rb211, Pratt & Whitney Jt9d, Pratt & Whitney Pw4000, General Electric Ge90, Rolls-royce Trent, Cfm International Cfm56, Pratt & Whitney Pw2000, Aviadvigatel Ps-90 - 1243245751 - 9781243245755