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16

Optics and fine mechanics

Optical products

Optical instruments and appliances

1121.11

Astronomical instruments

1121.14

Surveying instruments

1121.15

Levelling instruments

1121.17

Surveying accessories

1121.21

Ophthalmoscopes

1121.27

Refractometers

1121.31

Nightviewers

1121.35

Infrared spectrometers

1121.36

Microspectrometres

1121.41

Photometers

1121.42

Flame photometers

1121.44

Colorimeters

1121.45

Densitometers

1121.54

Polarimeters

1121.55

Light analysers

1121.56

Photometers

1121.58

Industrial endoscopes

1121.60

Optical 3D measuring apparatus

1121.61

Optical measuring equipment

1121.63

Optical micrometers

1121.64

Optical testing instruments

1121.71

Oculists' appliances

1121.72

Optometers

1121.82

Visual test equipment

1121.83

Spectrophotometers

1121.84

Spectroscopes

1121.87

Technoscopes

1121.88

Transit theodolites

1121.89

Tonometers

1121.97

White light interferometers