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| 900 | 0 | 0 | _a19990928 |
| 901 | 0 | 0 | _aENG |
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| 245 | 0 | 0 | _aTelecommunication Systems : Unit 11, 12, 13 and 14 Television Systems : Study Supplement |
| 110 | 0 | 0 | _aThe Open University |
| 902 | 0 | 0 | _a621.3811 |
| 903 | 0 | 0 | _a106474 |
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_aMilton Press _bThe Open University Press _c1976 |
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