| 摘要 |
PROBLEM TO BE SOLVED: To provide a compact device for removing soil on a bathtub surface for efficiently removing soil floating on the surface of a bathtub. SOLUTION: The device has a float part 8. A fan 15 is driven while the device 1 is floated in the bathtub so as to remove soils on the water surface in a water tub by a filter 2 and to return clean water to the bathtub. Thereby, the device 1 automatically moves in the bathtub for cleaning the soil on the water surface. COPYRIGHT: (C)2007,JPO&INPIT
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