Photography
- 37/37.040/37.040.01 Photography in general
- 37/37.040/37.040.10 Photographic equipment. Projectors
- 37/37.040/37.040.20 Photographic paper, films and plates. Cartridges
- 37/37.040/37.040.25 Radiographic films
- 37/37.040/37.040.30 Photographic chemicals
- 37/37.040/37.040.99 Other standards related to photography