Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Publication of BE531735ApublicationCriticalpatent/BE531735A/fr
H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
Verfahren zur Erhaltung der magnetischen Feldstärke von permanentmagnetischen Dipolen und Vorrichtung zur Erhaltung der magnetischen Feldstärke von permanentmagnetischen Dipolen sowie Antrieb und Getriebe