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 Telefunken GmbhfiledCriticalTelefunken Gmbh
Publication of CH204628ApublicationCriticalpatent/CH204628A/de
H01J5/08—Vessels; Containers; Shields associated therewith; Vacuum locks provided with coatings on the walls thereof; Selection of materials for the coatings
CH204628D1937-09-081938-09-01Entladungsröhre mit Quetschfuss.
CH204628A
(de)