CPC Subgroup
H01J 25/64 Turbine tubes, i.e. tubes with H-field crossing the E-field and functioning with reversed cyclotron action
Full Title
Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons (details of transit-time tubes H01J23/00; particle accelerators H05H) > Turbine tubes, i.e. tubes with H-field crossing the E-field and functioning with reversed cyclotron action