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PERMANENT MAGNET SYSTEM FOR THE GENERATION OF A SUBSTANTIALLY HOMOGENEOUS MAGNETIC FIELD FOR THE BUNDLED GUIDANCE OF AN ELECTRON BEAM OVER A RELATIVELY LONG PATH,ESPECIALLY FOR TRAVELING WAVE TUBES
PERMANENT MAGNET SYSTEM FOR THE GENERATION OF A SUBSTANTIALLY HOMOGENEOUS MAGNETIC FIELD FOR THE BUNDLED GUIDANCE OF AN ELECTRON BEAM OVER A RELATIVELY LONG PATH,ESPECIALLY FOR TRAVELING WAVE TUBES
