ELECTRICITY

H01     ELECTRIC ELEMENTS

H02     GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER

H03     ELECTRONIC CIRCUITRY

H04     ELECTRIC COMMUNICATION TECHNIQUE

H05     ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

H10     SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR [2023.01]

H99     SUBJECT MATTER NOT OTHERWISE PROVIDED FOR IN THIS SECTION [2006.01]