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T H Watson & Co Of Sheffield L
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T H Watson & Co Of Sheffield L
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Application filed by T H Watson & Co Of Sheffield LfiledCriticalT H Watson & Co Of Sheffield L
Application grantedgrantedCritical
Publication of FR519441ApublicationCriticalpatent/FR519441A/fr
H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
H05B7/00—Heating by electric discharge
H05B7/02—Details
H05B7/12—Arrangements for cooling, sealing or protecting electrodes
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Physics & Mathematics
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Engineering & Computer Science
(AREA)
Plasma & Fusion
(AREA)
FR519441A1917-11-081920-07-08Dispositifs d'obturation des orifices de passage des électrodes dans le plafond et les parois des fours électriques
ExpiredFR519441A
(fr)