| 000 | 00509 a2200265 4500 | ||
|---|---|---|---|
| 001 | 110934 | ||
| 020 | _a0 | ||
| 041 | _aeng | ||
| 080 | _a621.385 Hen | ||
| 245 | _aElectron tubes in industry | ||
| 250 | _a3rd ed | ||
| 260 | _aNew York | ||
| 260 | _bMcGraw-Hill, | ||
| 260 | _c1952 | ||
| 300 | _ax,353 p. | ||
| 300 | _c23.5 cm | ||
| 490 | _a | ||
| 100 | _aHenney, Keith | ||
| 700 | _aFahnestock, James D. | ||
| 700 | _a | ||
| 650 | _a | ||
| 650 | _aElectron tubes | ||
| 942 | _cBK | ||
| 942 | _2UDC | ||
| 999 |
_c128604 _d128604 |
||