| 000 | 00459nam a22001817a 4500 | ||
|---|---|---|---|
| 003 | IN-IcBNM | ||
| 005 | 20210327145444.0 | ||
| 008 | 210327r1948 -uk||||| |||| 001 0 eng d | ||
| 082 |
_a621.5 _bSPA\V |
||
| 100 | 1 |
_aSpangenberg, Karl R. _eaut |
|
| 245 | 1 | 0 |
_aVacuum tubes _cKarl R. Spangenberg |
| 260 |
_aNew York _bMcGraw-Hill Book _c1948 |
||
| 300 | _a860 p. | ||
| 500 | _aInclude index | ||
| 650 | _aVacuum | ||
| 650 | _aApplied physics | ||
| 942 |
_2ddc _cBK |
||
| 999 |
_c5240 _d5240 |
||