BATH TUB, AND HEATING SYSTEM USING REMAINING HEAT OF REMAINING HOT WATER IN BATH
PROBLEM TO BE SOLVED: To provide a heating system using remaining heat of remaining hot water in a bath, and a bath tub, capable of recovering and utilizing efficiently the remaining heat at low cost, by simple structure. SOLUTION: The bath tub 2 of the bath is formed into double structure comprisin...
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Sprache: | eng |
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