| 摘要 |
Signboard on which the details are inscribed with a felt tipped pen, and are afterwards removed by means of a chemical solvent, eliminates the risk of damage to the foodstuffs on display, or to the hands of the person cleaning it.The signboard is flat, rectangular and has a prop. along one edge. An easily replaceable envelope of a synthetic material such as cheap polyethylene film is slipped over the board and the details are written on this.
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