| 000 | 00378pam a2200145a 44500 | ||
|---|---|---|---|
| 008 | 160408b1969 xxu||||| |||| 00| 0 eng d | ||
| 082 |
_a621.382 _bL528 |
||
| 100 | _aLehnert, Josef | ||
| 245 | 1 | _aINTRODUCTION TO TELEGRAPH ENGINEERING | |
| 260 |
_aBerlin _bSiemens Aktiengesellschaft _c1969 |
||
| 300 | _a155 | ||
| 650 | _aTelegraph | ||
| 964 | _gCIRC | ||
| 997 | _aA24572 s C | ||
| 999 |
_c247520 _d247520 |
||