31711400 – Valves and tubes

Valves and tubes code description

The category “Valves and tubes” encompasses various subcategories related to electronic components used in different applications. These components play a crucial role in various industries, including telecommunications, electronics, and broadcasting. The subcategories within this category include cathode-ray television picture tubes, microwave tubes and equipment, valve tubes, and receiver or amplifier valves and tubes. Cathode-ray television picture tubes are essential for displaying images on older television sets. Microwave tubes and equipment are used in microwave technology for various purposes. Valve tubes and receiver or amplifier valves and tubes are electronic components that control the flow of electricity in devices such as radios, amplifiers, and other audio equipment.