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- Autres instruments et appareils - Salinom�tres, instruments de titrage, rH et pH m�tres; Instruments de mesure, d'analyse et de contr�le des vibrations, bruits et des pointes d'�nergie : - Pour analyses physiques ou chimiques de la boue de forage, des fluides d'acidification des fluides de fracturation ou de ciment des puits, � l'exclusion des compteurs de pH
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Instruments and apparatus for physical or chemical analysis (for example, polarimeters, refractometers, spectrometers, gas or smoke analysis apparatus); 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. - Other instruments and apparatus - Salinometers, titration instruments, rH and pH meters; Vibration, noise or spike energy measuring, analyzing or monitoring instruments: - For physical or chemical analysis of drilling mud, acidizing fluids, fracturing fluids or well cement, excluding pH meters
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