9027物理或化学分析、测量粘度、热、声、光等的仪器及显微切片机

Instruments and apparatus for physical or chemical analysis (for example, polarimeters, refracto-meters, spectrometers, gas or smoke analysis app-aratus); instruments and apparatus for measuring or checking viscosity, porosity, expansion, surface tension or the like; instruments and apparatus for measuring or checking quantities of heat, sound or light (including exposure meters); microtomes