000 | 00554nam a2200193Ia 4500 | ||
---|---|---|---|
005 | 20250619144832.0 | ||
008 | 250619s9999||||xx |||||||||||||| ||und|| | ||
020 | _c22.50 | ||
040 | _aMAIN | ||
041 | _aEnglish | ||
082 |
_a621.382 _bELL |
||
100 | _aElldin, A. | ||
245 | 0 |
_aAutomatic telephone exchanges based on the link connection principle _b: switch calculations general survey |
|
260 |
_aSweden _b; Telefonaktiebolaget L M Ericsson |
||
300 | _a47p. | ||
650 | _aCommunication Engineering | ||
650 | _aEngineering | ||
942 | _cBK | ||
999 |
_c113709 _d113709 |