| H | SK | ELECTRICITY |
| H05 | KL | ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR |
| H05F | UKL | STATIC ELECTRICITY; NATURALLY-OCCURRING ELECTRICITY |
| H05F 1/00 | HGR | Preventing the formation of electrostatic charges [1, 2006.01] |
| H05F 1/02 | UGR1 | | . | by surface treatment [1, 2006.01] |
|
| H05F 3/00 | HGR | Carrying-off electrostatic charges (from living beings A61N 1/14) [1, 2006.01] |
| H05F 3/02 | UGR1 | | . | by means of earthing connections [1, 2006.01] |
|
| H05F 3/04 | UGR1 | | . | by means of spark gaps or other discharge devices (devices providing for corona discharge H01T 19/00) [1, 2, 2006.01] |
|
| H05F 3/06 | UGR1 | | . | by means of ionising radiation [1, 2006.01] |
|
| H05F 7/00 | HGR | Use of naturally-occurring electricity [1, 2006.01] |