slip ring current collector for crane |
11.7.2013 |
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slip ring for current collector 250 amps and 50 hp motor
| Dimensions: | 448 x 254 |
| File size: | 27.43 kbytes |
| Taken on: | 2013:11:07 15:10:46 |
| Camera model: | Samsung GT-N7000 |
| Shutter speed: | 1/25 sec |
| Focal length: | 3.97 mm |
| Aperture: | f/2.65 |
| Flash: | Compulsory Flash |
| ISO: | 32 |