| 325992 |
Photomasks manufacturing |
| 325992 |
Photosensitized paper manufacturing |
| 325992 |
Sensitized cloth or paper (e.g., blueprint, photographic) manufacturing |
| 325992 |
Toner cartridges manufacturing |
| 325992 |
Toner cartridges rebuilding |
| 325992 |
Toners, electrostatic and photographic, manufacturing |
| 325992 |
X-ray film and plates, sensitized, manufacturing |
| 325998 |
Flares manufacturing |
| 325998 |
Activated carbon or charcoal manufacturing |
| 325998 |
Additive preparations for gasoline (e.g., antiknock preparations, detergents, gum inhibitors) manufacturing |