O-I-490A (AMENDMENT-1), FEDERAL SPECIFICATION: INHIBITOR, CORROSION, LIQUID COOLING SYSTEM (19-JUN-1973) [S/S BY MIL-A-53009 AND MIL-A-46153]
O-I-490A (AMENDMENT-1), FEDERAL SPECIFICATION: INHIBITOR, CORROSION, LIQUID COOLING SYSTEM (19-JUN-1973) [S/S BY MIL-A-53009 AND MIL-A-46153].