| 摘要 |
PURPOSE: A yellow soil-charcoal ondol(floor heater) for a spring bed is provided to minimize the influence of an electromagnetic wave, and to use both advantages of the Korean ondol and the spring bed. CONSTITUTION: A yellow soil-charcoal ondol(floor heater) for a spring bed comprises the following: an insulation material(2) on an electric heating panel(1) for preventing a leakage of an electricity; a thermal conductor(4) cut into a shape of a square without a side; a thermal conductor piece inserted to the thermal conductor while being formed by a heat conduction wire(6) passing through a circular spring(5); a metal funnel(9) connected to the heat conduction wire.
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