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BISSON SOC
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BISSON SOC
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Application filed by BISSON SOCfiledCriticalBISSON SOC
Application grantedgrantedCritical
Publication of FR348225ApublicationCriticalpatent/FR348225A/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
FR348225D1904-11-241904-11-24Commande des charbons pour lampes en v
ExpiredFR348225A
(fr)