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CONTINSOUZA ETS
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CONTINSOUZA ETS
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Application filed by CONTINSOUZA ETSfiledCriticalCONTINSOUZA ETS
Application grantedgrantedCritical
Publication of FR531324ApublicationCriticalpatent/FR531324A/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
H05B31/00—Electric arc lamps
H05B31/0003—Electric arc lamps the arc being outside, in the open
H05B31/0009—Electric arc lamps the arc being outside, in the open with parallel or oblique disposition of the electrodes; Special form of the electrodes
FR531324D1921-02-241921-02-24Lampe à arc
ExpiredFR531324A
(fr)