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 | _aA26799 s C | ||
999 |
_c247521 _d247521 |