4040 CNC Machine Kit, Pro Milling Machine CNC Engraving Machine, 100W CNC Router Machine, USB CNC Engraving Machine, with Straight Square Rails, Emergency Stop Button, For Industrial Technology
| Country | USA |
| Brand | Puffin Books |
| Manufacturer | Puffin Books |
| Binding | Kindle Edition |
| ReleaseDate | 2009-07-09 |
| Format | Kindle eBook |