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Application filed by Siemens AgfiledCriticalSiemens Ag
Publication of CH286995ApublicationCriticalpatent/CH286995A/de
H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
H03K17/54—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements of vacuum tubes
CH286995D1948-12-101950-08-28Wechselstromschalter für Hochspannungsanlagen.
CH286995A
(de)