07.07.-a General equipment
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07.07.Df Sensors (chemical, optical, electrical, movement, gas, etc.); remote sensing
(2)
- 07.07.Hj Display and recording equipment, oscilloscopes, TV cameras, etc.
- 07.07.Mp Transducers
- 07.07.Tw Servo and control equipment; robots
- 07.07.Vx Hygrometers; hygrometry
