Optical, photographic or cinematography measure, control or precision instruments. medical surgical instruments. watch making instruments. musucal instruments and their accessories or devices., 90 Optical, photographic, cinematographic, measuring, checking, precision, medical or surgical instruments and apparatus; parts and accessories thereof, 90.24 -machines and appliances for testing the hardness, strength, compressibility, elasticity or other mechanical properties of materials (for example, metals, wood, textiles, paper, plastics), and parts and accessories thereof:, 90.24.80 -machines and appliances for testing the hardness, strength, compressibility, elasticity or other mechanical properties of materials (for example, metals, wood, textiles, paper, plastics), and parts and accessories thereof: --other machines and equpiments, Companies, Companies