000 | 00642cas a2200193 4500 | ||
---|---|---|---|
001 | 0000004515 | ||
005 | 20231211133300.0 | ||
035 | _a0000009981 | ||
041 | 1 | _aeng | |
099 | _a4532 | ||
110 | 2 |
_aNetherlands. _bN.V.Philips Telecommunicatie Industrie. |
|
245 | 1 | 0 | _aPhilips Telecommunication Review. |
260 |
_aHilversum : _bN.V.Philips Telecommunicatie Industrie, _c1968. |
||
300 |
_av. : _bgráficos.,fotos ; _c29 cm. |
||
500 | _aEl texto viene de la p.105 a la 148. | ||
505 | 8 | _aV.27 N.3 Reed switches for telephony switching. | |
505 | 8 | _aAmplitude-modulated voice-frequency telegraph system type 3TR 1100. | |
908 | _a090330 | ||
999 |
_c1071 _d1071 |