P-C-437B (AMENDMENT 1), FEDERAL SPECIFICATION: CLEANING COMPOUND, HIGH PRESSURE (STEAM) CLEANER (24 JUL 1979) [S/S BY A-A-59133]
P-C-437B (AMENDMENT 1), FEDERAL SPECIFICATION: CLEANING COMPOUND, HIGH PRESSURE (STEAM) CLEANER (24 JUL 1979) [S/S BY A-A-59133].