| 摘要 |
A surface heating device comprising a housing supported on a mobile vehicle and having a blower at one end thereof and panel means dividing the housing into an upper inlet duct and a lower outlet duct that opens downwardly onto a surface to be treated. A blower is supported at one end of the housing and a furnace is supported within the inlet duct so that air will move through, in and around the firebrick of the furnace and move first to the blower and then through the outlet duct and onto the surface.
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