| 000 | 00726nam a22002297a 4500 | ||
|---|---|---|---|
| 003 | DUET_Lib | ||
| 005 | 20241120111318.0 | ||
| 008 | 241120b bg ||||| |||| 00| 0 eng d | ||
| 020 | _a- | ||
| 040 | _cDUET_Lib | ||
| 082 |
_221 _a621.385/ ATT |
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| 100 |
_aAtkinson,J. _912201 |
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| 245 |
_aTelephony: _ba detailed exposition of the telephone exchange systems of the british post office Vol.2/ _cJ.Atkinson. |
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| 250 | _a1st ed. | ||
| 260 |
_aLondon: _bSir Isaac Pitman & Sons, _cc1950 |
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| 300 |
_axii,873p.: _billus.; _g25cm. |
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| 500 | _aIncludes index. | ||
| 505 | _aAutomatic exchange systems. | ||
| 650 |
_a1 . Telephoney. _912202 |
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| 650 |
_a2 . Electrical and electronic engineerig. _912203 |
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| 942 |
_2ddc _cBK |
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| 999 |
_c9269 _d9269 |
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