NAVY A-A-59192-1998
内在空气发动机锅炉管式清烟道器
TUBE AND FLUE CLEANER, BOILER, INTERNAL, AIR MOTOR DRIVEN [Superseded: NAVY MIL-T-17370 C CANC NOTICE 1, NAVY MIL-T-17370 C, NAVY MIL-T-17370 B (4), NAVY MIL-T-17370 B INT AMD 3, NAVY MIL-T-17370 B (2), NAVY MIL-T-17370 B]