BRUSHES, WIRE, BOILER TUBE, EXPANDING TYPE FOR USE WITH ELECTRIC AND AIR MOTOR DRIVEN BOILER TUBE CLEANING OUTFITS, AND FIXED SECTIONAL HAND TYPE (SUPERSEDING MIL-B-2678B) (S/S BY A-A-59193)
与电动和空气马达驱动的锅炉管清洁装置一起使用的膨胀型锅炉管刷、电线和固定截面手动型(取代MIL-B-2678B)(由A-A-59193提供)