OPERATION METHOD OF MULTISTAGE ELECTRIC HEATER COMPOSED OF A PLURALITY OF HEATING ELEMENTS
PROBLEM TO BE SOLVED: To provide an operation method of a multistage electric heater composed of a plurality of heating elements. SOLUTION: Resistance of individual heaters of a previous multistage heater are dispersed from each other. Instead of those dispersed resistance, in order to make individu...
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Sprache: | eng |
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