ELECTRON TUBES
Scientific apparatus and instruments, namely, photon-detecting instruments, low-noise amplifiers, noise discriminators, light-detecting instruments, electron tubes, radiation detectors, radiation-measuring instruments, voltage regulators, voltage stabilizers, calibration sensors; electron multipliers; photomultipliers; [ thermionic devices, namely, thermionic tubes, thermionic valves; ] sensors for detecting light or other electromagnetic radiation scintillators; electronic controllers equipm...
Registered · June 30, 2011 · 79101758 ·