JSIC 2811—Electron tubes

Where 2811 sits

1. E Manufacturing
2. 28 Electronic parts, devices and electronic circuits
3. 281 Electronic devices
4. 2811 Electron tubes

What 2811 includes

• This class comprises establishments principally engaged in manufacturing electron tubes other than those for light sources.
• The principal products include vacuum tubes for reception, vacuum tubes for transmission, discharge tubes, Braun tubes, X-ray tubes, mercury rectifier tubes, etc.

What 2811 excludes

• Establishments principally engaged in manufacturing electron tubes for mercury discharge lamps and other light sources are classified under Major Group 29 [2941].

2811 in other systems