| 000 | 00691 a2200241 4500 | ||
|---|---|---|---|
| 001 | 265562 | ||
| 020 | _a | ||
| 041 | _aeng | ||
| 080 | _aLNASA TP 2719 : 1987 | ||
| 245 | _aTraveling-wave-tube efficiency improvement by a low-cost technique for deposition of carbon on multistage depressed collector | ||
| 250 | _a | ||
| 260 | _aWashington, D.C. | ||
| 260 | _bNational Aeronautics and Space Administration | ||
| 260 | _c1987 | ||
| 300 | _a13 p. | ||
| 300 | _c | ||
| 856 | _u | ||
| 490 | _aNASA TP 2719 : 1987 | ||
| 700 | _a | ||
| 650 | _a | ||
| 650 | _aCarbon-on-copper electrodes, Multistaged depressed collector, Traveling-wave amplifier, Secondary-electron emission | ||
| 942 | _cPP | ||
| 942 | _2UDC | ||
| 999 |
_c218432 _d218432 |
||