155640 ⎘
Component parts or details of steam boilers applicable to more than one kind or type of steam boiler; Flue or fire tubes; Accessories therefor, e.g. fire-tube inserts Fittings preventing burning-off of the tube edges
Steam generator and cooking apparatus including steam generator
#2Two-piece ceramic ferrule assembly
#3Boiler wall protection block, boiler wall protection element, assembly of such element and a ferrule, a boiler wall provided with such assembly, method for furnishing a boiler inner wall and a boiler wall protection sub-block