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Cathodes beam with a gefa steeply (bending neck), one end of which surrounds the cathode and the other end to a widening kegelfoermig, the screen is adjoined by steeply gefa carrying
Cathodes beam with a gefa steeply (bending neck), one end of which surrounds the cathode and the other end to a widening kegelfoermig, the screen is adjoined by steeply gefa carrying
