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Application filed by Lorenz C AgfiledCriticalLorenz C Ag
Publication of CH217611ApublicationCriticalpatent/CH217611A/de
H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
H01J9/40—Closing vessels
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(AREA)
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CH217611D1939-11-201940-08-22Verfahren zur Herstellung eines Vakuumgefässes mit Glaskolben und nach diesem Verfahren hergestelltes Vakuumgefäss.
CH217611A
(de)