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- discharge tube, photoelectric with alkaline photoelectric cell
- discharge tube, photoelectric with cathode
- discharge tube, photoelectric with luminescent coating
- discharge tube, photoelectric with lumnescent coating
- discharge tube, photoelectric with photoelectric tube
- discharge tube, photoelectric with photo-emissive cathode
- discharge tube, producing gas during operation
- discharge tube rectifier
- discharge-tube rectifier
- discharge tube, screen
- discharge tube, screen with superimposed luminescent layers
- discharge tube, semiconductor device
- discharge tubes for SEPARATING of particles
- discharge tube, solid cathode
- discharge tubes sensitive to RADIATION
- discharge tubes sensitive to RADIOACTIVITY
- discharge tube, supporting electron-optical or ion-optical arrangements
- discharge tubes using TENEBRESCENT
- discharge tubes with emergence of electrons
- discharge tubes with emergence of ions
- discharge tube, vacuum-tight joint
- discharge tube, vacuum-tight joint of parts of vessels
- discharge tube, vacuum-tight joint of parts of vessels with elastic insert
- discharge tube vessel
- discharge tube with conductive, reflective protective layer
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