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FR1383904A Expired / Lapsed FR ⏱️ 0.0 years remaining

Continuous combustion carbon negative electrodes for arc lamps

Assignee: Mersen SA
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Filing: 1963-10-31
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Granted: 1965-01-04
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Expires: 1983-10-31
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Abstract

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Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-11-06 04:28
CPC Classifications
H; H05; H05B; H05B7/00; H05B7/02; H05B7/14; H05B31/00; H05B31/02; H05B31/06; H05B31/08; H05B31/10; F; F16; F16B; F16B2200/00; F16B2200/10; Y; Y02; Y02P; Y02P10/00; Y02P10/25; Y10; Y10S; Y10S403/00; Y10S403/05

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