| 摘要 |
PROBLEM TO BE SOLVED: To provide a convenient cleaner for efficiently cleaning stain stuck on a toilet bowl. SOLUTION: The stain is washed away by allowing the stain 3 stuck on the bottom 4 of the toilet bowl to be exposed to jet water 2 discharged from a water jet toilet bowl cleaner 1. COPYRIGHT: (C)2005,JPO&NCIPI
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