261122 Semiconductor devices/ light-emitting diodes/ mounted piezo-electric crystals/ parts thereof

26112220 Semiconductor light emitting diodes (LEDs) 26112240 Photosensitive semiconductor devices/ solar cells, photo-diodes, photo-transistors, etc 26112260 Semiconductor devices (excluding photosensitive semiconductor devices, photovoltaic cells, thyristors, diacs and triacs, transistors, diodes, and light-emitting diodes) 26112280 Mounted piezo-electric crystals (including quartz, oscillator and resonators)