| 000 | 00441 a2200133 4500 | ||
|---|---|---|---|
| 040 | _aP K Kelkar Library, IIT Kanpur | ||
| 082 |
_a384.9 _bG798h |
||
| 110 | _aGeneral Post Office | ||
| 245 | 1 |
_aHandbook for radio operators _bworking installations licensed by her majesty's postmaster general _cGeneral Post Office |
|
| 260 |
_aLondon _bH. M. S. O. _c1961 |
||
| 300 | _axi, 213p | ||
| 650 | _aSignals and signaling | ||
| 997 | _a9951 C | ||
| 999 |
_c451716 _d451716 |
||