IPC Subgroup
H01J 17/64 Tubes specially designed for switching or modulating in a waveguide, e.g. TR box
Introduced: September 1968
Last revised: January 2006
Full Title
Gas-filled discharge tubes with solid cathodes > Tubes specially designed for switching or modulating in a waveguide, e.g. TR box
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRIC ELEMENTS
- Subclass:
- ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
Related Keywords
TR-BOXES