BE348919A - - Google Patents

Info

Publication number

BE348919A

BE348919A BE348919DA BE348919A BE 348919 A BE348919 A BE 348919A BE 348919D A BE348919D A BE 348919DA BE 348919 A BE348919 A BE 348919A

Authority

BE

Belgium

Prior art keywords

filament

tube

electrodes

incandescent

star

Prior art date

Links

• Espacenet
• Global Dossier
• Discuss

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• 238000007872 degassing Methods 0.000 description 7
• 239000007789 gas Substances 0.000 description 7
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• 238000004519 manufacturing process Methods 0.000 description 5
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• 229910052895 riebeckite Inorganic materials 0.000 description 2
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• 229910000497 Amalgam Inorganic materials 0.000 description 1
• 241000258971 Brachiopoda Species 0.000 description 1
• 241000543381 Cliftonia monophylla Species 0.000 description 1
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• QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
• 229910052753 mercury Inorganic materials 0.000 description 1
• 238000001465 metallisation Methods 0.000 description 1
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