Microwave electron discharge tubes
United States Patent 2870374
Publication Date:
01/20/1959
Other Classes:
315/5.160, 313/266, 315/5.370
International Classes:
H01J25/34; H03F1/20; H01J25/00; H03F1/08
US Patent References:
| 2785338 | Wave amplifier electron discharge device | | | |