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THEODORE CONAND
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THEODORE CONAND
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Application filed by THEODORE CONANDfiledCriticalTHEODORE CONAND
Application grantedgrantedCritical
Publication of FR497223ApublicationCriticalpatent/FR497223A/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
H01T13/36—Sparking plugs characterised by features of the electrodes or insulation characterised by the joint between insulation and body, e.g. using cement
FR497223D1919-03-081919-03-08Bougie d'allumage pour moteurs à explosions
ExpiredFR497223A
(fr)