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| 008 | 240530s9999 xx 000 0 und d | ||
| 082 | _a621.383 | ||
| 082 | _bBIS | ||
| 100 | _aBISWAS N N | ||
| 245 | 0 | _aPRINICIPLES OF TELEGRAPHY | |
| 250 | _n0 | ||
| 250 | _n1991 | ||
| 260 | _bMPP | ||
| 300 | _a185 | ||
| 365 | _b45 | ||
| 650 | _aELECTRONICS | ||
| 942 | _cREF | ||
| 950 | _CELECTRONICS | ||
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_c191349 _d191349 |
||