1970QJ 3259-2005 Technical requirements for protective coating of aerospace electronic products
1989QJ 1781.1-1989 S31-11 Detailed Rules for Polyurethane Insulating Paint Protective Spraying Process
QJ 1781.1-1989 S31-11 Detailed Rules for Polyurethane Insulating Paint Protective Spraying Process was changed to QJ 3259-2005 Technical requirements for protective coating of aerospace electronic products.