CH364838A - Niederdruckquecksilberdampfentladungsröhre
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Niederdruckquecksilberdampfentladungsröhre
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Publication number
CH364838A
CH364838ACH6471258ACH6471258ACH364838ACH 364838 ACH364838 ACH 364838ACH 6471258 ACH6471258 ACH 6471258ACH 6471258 ACH6471258 ACH 6471258ACH 364838 ACH364838 ACH 364838A
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Application filed by Philips NvfiledCriticalPhilips Nv
Publication of CH364838ApublicationCriticalpatent/CH364838A/de
Insbesondere zum Aussenden von Strahlen dienende et einer oder mehreren aus einer verdampfbaren Metallmenge nur wenig herausragenden festen Gluehelektroden