TT-C-490C (AMENDMENT 2), FEDERAL SPECIFICATION: CLEANING METHODS FOR FERROUS SURFACES AND PRETREATMENTS FOR ORGANIC COATINGS (29 JUN 1990)
TT-C-490C (AMENDMENT 2), FEDERAL SPECIFICATION: CLEANING METHODS FOR FERROUS SURFACES AND PRETREATMENTS FOR ORGANIC COATINGS (29 JUN 1990).