IPC Definitions - January 01, 2012
H01P 5/00 - Definition
References relevant to classification in this main group
This main group does not cover:
For introducing or removing wave energy to or from the discharge in transit-time tubes | H01J 23/36 |
Attention is drawn to the following places, which may be of interest for search:
Non-reciprocal devices | H01P 1/32 |