1970QJ 3259-2005 Technical requirements for protective coating of aerospace electronic products
1985QJ/Z 156-1985 SO1-3 Polyurethane varnish protective spraying process rules
QJ/Z 156-1985 SO1-3 Polyurethane varnish protective spraying process rules was changed to QJ 3259-2005 Technical requirements for protective coating of aerospace electronic products.