… Instruments, apparatus and models, designed for demonstrational purposes (for example, in …
Explanatory notes
… 90.23 ‑ Instruments, apparatus and models, designed for demonstrational purposes (for example, in … covers a wide range of instruments, apparatus and models designed for demonstrational purposes (e.g., in schools, … (a) Printed plans, diagrams, illustrations, etc., even if designed for use in teaching, advertising, etc. ( Chapter 49 …