4. H - Electricity
  5. 01
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Johannes G. Van Os

H - Electricity – 01 – J

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Dispenser cathode with oxide of barium, scandium and aluminium

H - Electricity – 01 – J
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Indirectly heated supply cathode

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Method of manufacturing a dispenser cathode, and dispenser...

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Method of producing a low-pressure mercury vapour discharge...

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