| 000 | 00471nam a2200181 4500 | ||
|---|---|---|---|
| 999 |
_c67769 _d67769 |
||
| 005 | 20220518160710.0 | ||
| 008 | 220518b ||||| |||| 00| 0 eng d | ||
| 020 | _a8185099049 | ||
| 082 | _a621.382 B621 | ||
| 100 |
_aBiswas, N.N. _92935 |
||
| 245 | _aPrinciples of Telegraphy | ||
| 260 |
_aBombay _bMedia _c1992 |
||
| 300 | _ap.181 | ||
| 650 |
_bTelegraph Circuits _92936 |
||
| 650 |
_bTeleprinter and TELEX _92937 |
||
| 650 |
_bTelegraph Codes _92938 |
||
| 942 | _cDBK | ||