| 摘要 |
PROBLEM TO BE SOLVED: To provide a rock bath unit which can be installed within a space for a normal bathroom unit and is easy to wash inside. SOLUTION: The rock bath unit comprises a waterproof pan, two planes having different heights which are installed on the waterproof pan, slates arranged on the two planes respectively, and heaters for heating the slates. COPYRIGHT: (C)2009,JPO&INPIT
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