| 000 | 00601 a2200277 4500 | ||
|---|---|---|---|
| 001 | 12664 | ||
| 020 | _a0-8306-9635-00 | ||
| 041 | _aeng | ||
| 080 | _a621.395.65 Hob | ||
| 245 | _aModern communications switching systems | ||
| 250 | _a2nd ed | ||
| 260 | _aBlue Ridge Summit | ||
| 260 | _bTab Books, | ||
| 260 | _c1981 | ||
| 300 | _a308 p. | ||
| 300 | _c20 cm | ||
| 490 | _a | ||
| 100 | _aHobbs, Marvin | ||
| 700 | _a | ||
| 650 | _a | ||
| 650 | _aTelephone, Automatic | ||
| 650 | _aTelephone switching systems, Electronic | ||
| 650 | _aElectric switchgear | ||
| 942 | _cBK | ||
| 942 | _2UDC | ||
| 999 |
_c14671 _d14671 |
||