O-S-809E (AMENDMENT 1), FEDERAL SPECIFICATION, SULFURIC ACID, TECHNICAL (21 OCT 1992) [SUPERSEDES O-A-115] [S/S BY A-A-55828]
O-S-809E (AMENDMENT 1), FEDERAL SPECIFICATION, SULFURIC ACID, TECHNICAL (21 OCT 1992) [SUPERSEDES O-A-115] [S/S BY A-A-55828].