1970QJ 3285-2006 Modal Test Method for Missile and Launch Vehicle
1996QJ 2717.4-1996 Measuring Method of Mode Shape Slope in Modal Test of Missile and Launch Vehicle
QJ 2717.4-1996 Measuring Method of Mode Shape Slope in Modal Test of Missile and Launch Vehicle was changed to QJ 3285-2006 Modal Test Method for Missile and Launch Vehicle.