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FR DES BOUGIES POGNON M POGNON
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FR DES BOUGIES POGNON M POGNON
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Publication of FR645652ApublicationCriticalpatent/FR645652A/en
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
FR645652D1927-12-131927-12-13
Spark plug for supercharged and pushed engines
ExpiredFR645652A
(en)