- Spectroscopic and other optical properties measuring equip. (1)
- Infrared analytical instruments (2)
- Nephelometers, except meteorological (1)
- Ultraviolet analytical instruments (1)
- Microscopes, electron and proton (1)
- Densitometers, analytical (1)
- Water testing apparatus (4)
- Blood testing apparatus (1)
- Instruments measuring magnetic and electrical properties (2)
- Electrolytic conductivity instruments (1)
- Magnetic resonance imaging apparatus (2)
- Automatic chemical analyzers (1)
- Chromatographic equipment, laboratory type (1)
- Dust sampling and analysis equipment (1)
- Environmental testing equipment (6)
- Integrators (mathematical instruments) (2)
- Laser scientific and engineering instruments (5)
- Perimeters (optical instruments) (1)
