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D4.13 (銀色底)
銀色底長方形，內有紅色雙向箭頭。用途：標示雙向方向。
40 × 85 mm・方形
數量與價格
| 數量（小張） | 未稅單價 | 未稅小計 |
|---|---|---|
| 20 | $20.55 | $411 |
| 40 | $14.53 | $581 |
| 60 | $11.87 | $712 |
| 80 | $10.28 | $822 |
| 100 | $9.19 | $919 |
| 200 | $6.45 | $1,290 |
| 300 | $5.21 | $1,563 |
| 400 | $4.49 | $1,796 |
| 500 | $3.66 | $1,830 |
| 1,000 | $1.97 | $1,970 |
| 1,200 | $1.67 | $2,004 |
| 1,500 | $1.36 | $2,040 |
| 2,000 | $1.06 | $2,120 |