TT-C-494B (NOTICE-1), FEDERAL SPECIFICATION: COATING COMPOUND, BITUMINOUS, SOLVENT TYPE, ACID RESISTANT (20-MAR-1991) [NO S/S DOCUMENT]
TT-C-494B (NOTICE-1), FEDERAL SPECIFICATION: COATING COMPOUND, BITUMINOUS, SOLVENT TYPE, ACID RESISTANT (20-MAR-1991) [NO S/S DOCUMENT].