SICIndustry
SIC 3671—Electron Tubes
Industry · Standard Industrial Classification (1987)
Where 3671 sits
Description
Establishments primarily engaged in manufacturing electron tubes and tube parts.
What 3671 includes
6-digit codes
- 367100 — Electron Tubes
- 367101 — Cathode Ray Tubes, Including Rebuilt
- 367102 — Transmittal, Industrial and Special Purpose Electron Tubes
8-digit codes
- 36710000 — Electron tubes
- 36710100 — Cathode ray tubes, including rebuilt
- 36710101 — Picture tube reprocessing
- 36710102 — Television tubes
- 36710200 — Transmittal, industrial and special purpose electron tubes
- 36710201 — Electron beam (beta ray) generator tubes
- 36710202 — Electron tubes, industrial
- 36710203 — Electron tubes, nsk
- 36710204 — Electron tubes, receiving type
- 36710205 — Electron tubes, special purpose
- 36710206 — Electron tubes, transmitting
- 36710207 — Electronic tube parts, except glass blanks
- 36710208 — Gas or vapor tubes
- 36710209 — Geiger Mueller tubes
- 36710210 — Klystron tubes
- 36710211 — Light sensing and emitting tubes
- 36710212 — Magnetron tubes
- 36710213 — Photomultiplier tubes
- 36710214 — Planar triode tubes
- 36710215 — Traveling wave tubes
- 36710216 — Tubes for operating above the X-ray spectrum
- 36710217 — Vacuum tubes
Example activities
- cathode ray tubes
- electron beam (beta ray) generator tubes
- electron tube parts, except glass blanks: bases, getters, and guns
- electron tubes
- gas and vapor tubes
- geiger mueller tubes
- klystron tubes
- light sensing and emitting tubes
- magnetron tubes
- photomultiplier tubes
- picture tube reprocessing
- planar triode tubes
- receiving type electron tubes
- television tubes
- transmitting electron tubes
- traveling wave tubes
- tubes for operating above the x-ray spectrum (with shorter
- vacuum tubes
Cross-references for 3671
- Establishments primarily engaged in manufacturing X-ray tubes and parts are classified in Industry 3844.
3671 in other systems
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