9 Measuring or testing machines and instruments, namely, rheometers used to measure the viscoelasticity of viscoelastic materials such as plastic, gum, elastomer, gel, sol, slurry, emulsion, liquid, lubricant oil, edible oil, fuel oil, rheological fluid, flesh, fish and shellfish, human and animal body, namely, skin, internal organs, blood vessels, bones, fruits, food, namely, bread dough, pasta, noodle, wheat flour, potato starch, jelly, gelidium jelly, konjac, unsolidified concrete, plants, soil, paper, wood, leather, artificial leather, felt, ceramic, medicinal drug, namely, oblate and capsule, plaster, tape, adhesive, filler, sealing agents that change form from liquid to solid, hot-melt filler, and friction measuring apparatus used to measure the friction properties of viscoelastic materials such as plastic, gum, elastomer, gel, sol, slurry, emulsion, liquid, lubricant oil, edible oil, fuel oil, rheological fluid, flesh, fish and shellfish, human and animal body, namely, skin, internal organs, blood vessels, bones, fruits, food, namely, bread dough, pasta, noodle, wheat flour, potato starch, jelly, gelidium jelly, konjac, unsolidified concrete, plants, soil, paper, wood, leather, artificial leather, felt, ceramic, medicinal drug, namely, oblate and capsule, plaster, tape, adhesive, filler, sealing agents that change form from liquid to solid, hot-melt filler; Electronic machines, apparatus and their parts, namely, ultrasonic wave measuring apparatus used to measure the viscoelasticity or the friction properties of viscoelastic materials such as plastic, gum, elastomer, gel, sol, slurry, emulsion, liquid, lubricant oil, edible oil, fuel oil, rheological fluid, flesh, fish and shellfish, human and animal body, namely, skin, internal organs, blood vessels, bones, fruits, food, namely, bread dough, pasta, noodle, wheat flour, potato starch, jelly, gelidium jelly, konjac, unsolidified concrete, plants, soil, paper, wood, leather, artificial leather, felt, ceramic, medicinal drug, namely, oblate and capsule, plaster, tape, adhesive, filler, sealing agents that change form from liquid to solid, hot-melt filler