| 摘要 |
PROBLEM TO BE SOLVED: To provide a sponge scrubbing brush which can completely remove the obstinate and fine dirt sticking to a triangular corner basket, the four corners of a container bottom, the corner points of tableware, etc. SOLUTION: Cleaning by brushing and cleaning by rubbing are made possible by the double sponge scrubbing brush formed by notching the four corners of a thick sponge 1 in order to facilitate and smooth the cleaning work by matching the sponge to the corner points of various kinds of containers, etc., fastening brushes 2 to the notches surfaces 5, 6, 7 and 8, notching one end of a thick triangular sponge 3 having roundness and fastening a brush 4 to the notched surface 9.
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