P-D-680A (INTERIM AMENDMENT 3), FEDERAL SPECIFICATION: DRY CLEANING AND DEGREASING SOLVENT (13-JUL-1990) [S/S BY MIL-PRF-680]
P-D-680A (INTERIM AMENDMENT 3), FEDERAL SPECIFICATION: DRY CLEANING AND DEGREASING SOLVENT (13-JUL-1990) [S/S BY MIL-PRF-680].