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FR DES BOUGIES POGNON SOC
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FR DES BOUGIES POGNON SOC
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Publication of FR657412ApublicationCriticalpatent/FR657412A/fr
H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
H01T13/00—Sparking plugs
H01T13/20—Sparking plugs characterised by features of the electrodes or insulation
H01T13/34—Sparking plugs characterised by features of the electrodes or insulation characterised by the mounting of electrodes in insulation, e.g. by embedding
FR657412D1928-06-291928-06-29Perfectionnements apportés aux bougies d'allumage pour moteurs sur-comprimés et poussés
ExpiredFR657412A
(fr)