| 摘要 |
The support carries a pencil, notepad and calculator, and is formed from a flat metal base (1) that has a projection in the shape of a coin or release token that attaches to the coin handling part (9) of the trolley lock. A writing support (6) fits into the base, and the back of a notepad fits into a slot (8) in this support. A folding support (16) at the edge of the base carries a pencil and a calculator.
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