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.)
Filing date
Publication date
Application filed by Gleichrichter AktiengesellschafiledCriticalGleichrichter Aktiengesellscha
Publication of CH65810ApublicationCriticalpatent/CH65810A/de
CH65810A1913-08-061913-08-06Einrichtung zum Abdichten der Vakuumgefäße von Metalldampfgleichrichtern unter Benutzung von Flüssigkeitsdichtungen
CH65810A
(de)