… Machines and appliances for testing the hardness, strength, compressibility, elasticity or other …
Explanatory notes
… 90.24 ‑ Machines and appliances for testing the hardness, strength, compressibility, elasticity or other … a wide range of machines and appliances for testing the hardness, elasticity, tensile strength, compressibility or … “universal” types (e.g., for metal testing) can be used for hardness, tensile, bending, etc., tests by means of separate …