H01J 2225/30
In which the electron stream is perpendicular to the axis of the
Official title: in which the electron stream is perpendicular to the axis of the resonator or resonators and is radial or disc-like before reflection
H01J2225/30 (In which the electron stream is perpendicular to the axis of the) appears on 0 US grants and 0 published applications in this corpus.
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