| 000 | 00388nam a2200157Ia 4500 | ||
|---|---|---|---|
| 999 |
_c76469 _d76469 |
||
| 005 | 20220929155253.0 | ||
| 008 | 180710s9999 xx 000 0 und d | ||
| 020 | _a83803 | ||
| 041 | _aEN | ||
| 082 |
_a621.384 _bRCA _223 |
||
| 245 | _aRCA transmitting tubes | ||
| 260 |
_aNew York _bTube Division, Radio Corporation of America _c[n.d.] |
||
| 300 | _a255 p. | ||
| 509 | _aNS | ||
| 942 | _cS | ||