QJ 1790-1989 Uncertainty Estimation Method for Steady-state Pressure Measurement of Liquid Rocket Motor was changed to QJ 1789.2-2011 Evaluation of Measurement Uncertainty in Liquid Rocket Motor Test.
QJ 1790-1989 Uncertainty Estimation Method for Steady-state Pressure Measurement of Liquid Rocket Motor was changed to QJ 1789-2011 Evaluation of Measurement Uncertainty in Liquid Rocket Motor Test.
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