IPC Subgroup
H01P 5/02 with invariable factor of coupling
Introduced: September 1968
Last revised: January 2006
Full Title
Coupling devices of the waveguide type > with invariable factor of coupling
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRIC ELEMENTS
- Subclass:
- WAVEGUIDES; RESONATORS, LINES OR OTHER DEVICES OF THE WAVEGUIDE TYPE