IPC Definitions - January 01, 2012
H01P 7/00 - Definition
References relevant to classification in this main group
This main group does not cover:
Microwave heating devices | H05B 6/64 |
Attention is drawn to the following places, which may be of interest for search:
Structurally associated with transit-time tubes and interacting with the discharge therein | H01J 23/18 |