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Means for preventing an undesirable gas discharges gefa in discharge, which, by means of a short time constant voltage - to collisions be operated, in particular in cathodes rays - or roentgenstrahlenroehren
Means for preventing an undesirable gas discharges gefa in discharge, which, by means of a short time constant voltage - to collisions be operated, in particular in cathodes rays - or roentgenstrahlenroehren