(under the class definition) Heaters specially adapted for melting substances by the application of heat to a receptacle, conduit, or support for the material to be melted.
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271.1+, for portable apparatus for applying heat to surfaces generally, whether for the purpose of melting snow and ice, thawing frozen ground, burning weeds or stubble, or preparing ground for cultivation.
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37, Excavating,
227+, for analogous construction.
239, Fluid Sprinkling, Spraying, and Diffusing, 128+, and 146+ for wheeled carts having a heating means and a nozzle structure for discharging steam or a heated fluid, and see the class definition of Class 239, section III(h), for the line between Classes 126 and 239.