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FRANCOIS THOMARAT
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FRANCOIS THOMARAT
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Application filed by FRANCOIS THOMARATfiledCriticalFRANCOIS THOMARAT
Application grantedgrantedCritical
Publication of FR434681ApublicationCriticalpatent/FR434681A/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
FR434681D1910-12-031910-12-03Bougie d'allumage pour moteurs
ExpiredFR434681A
(fr)