… analysis (for example, polarimeters, refractometers, spectrometers, gas or smoke analysis apparatus); instruments and apparatus for measuring or checking viscosity, porosity, expansion, surface tension or …
Explanatory notes
… analysis (for example, polarimeters, refractometers, spectrometers, gas or smoke analysis apparatus); instruments and apparatus for measuring or checking viscosity, porosity, expansion, surface tension or … or smoke analysis apparatus 9027.20 ‑ Chromatographs and electrophoresis instruments 9027.30 ‑ Spectrometers, …