| 000 | 00506 a2200133 4500 | ||
|---|---|---|---|
| 082 |
_a621.38 _bOp2t |
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| 245 | 1 | _aTELECOMMUNICATION SYSTEMS | |
| 260 |
_aMilton Keynes _bOpen Univ. _c1976 |
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| 300 | _a | ||
| 440 |
_aTechnology _v |
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| 500 | _aContents : Unit 1. Circuits, Filters And Amplifiers -- Unit 2. Modulation -- Unit 3 And 4 Channels And Lines -- Units 5 And 6 Noise And Interference And Digital Systems -- Units 7, 8, 9. Telephone Systems -- 10 Case... | ||
| 964 | _gCIRC | ||
| 997 | _aA70994 s C | ||
| 999 |
_c464477 _d464477 |
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