| 摘要 |
PROBLEM TO BE SOLVED: To provide a cleaning sheet which comes out while bearing stains without being rolled on a roll or wrinkled just by passing through the copying/ printing part and enables adhesion of stains with white or light color conventionally difficult to be observed with eyes to be observable and the cleaning effect to be confirmed by applying dark and light coloring patterns thereto. SOLUTION: A dark color pattern is printed on at least one face of a base material and a cross-linked and heat-resistant silicone rubber layer is formed thereon and the silicone rubber layer is protected with a parchment paper.
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