… and apparatus for measuring or checking electrical quantities, excluding meters of heading 90.28; instruments …
Explanatory notes
… and apparatus for measuring or checking electrical quantities, excluding meters of heading 90.28; instruments … Certain ionisation chambers which are used to measure total quantities of radiation over an appreciable time (e.g., 24 … AND APPARATUS FOR MEASURING OR CHECKING ELECTRICAL QUANTITIES Oscilloscopes and oscillographs are used …