FR1435412A
(en )
1966-04-15
Spark plug for internal combustion engines
CH296788A
(en )
1954-02-28
Spark plug with automatic rupture for an internal combustion engine.
FR1031976A
(en )
1953-06-29
Spark plug for internal combustion engines, with advanced electrodes
FR1365880A
(en )
1964-07-03
Spark plug for internal combustion engines
FR1113572A
(en )
1956-03-30
Device for internal combustion engines with independent ignition
BE506479A
(en )
1953-02-27
SPARK PLUG FOR COMBUSTION ENGINES.
FR878692A
(en )
1943-01-27
Fuel injection device combined with an ignition device, in particular for preheating the intake air for internal combustion engines
FR1240854A
(en )
1960-09-09
Bipolar glow plug for internal combustion engines
FR1240855A
(en )
1960-09-09
Glow plug for internal combustion engine
FR1321916A
(en )
1963-03-22
Spark plug for internal combustion engines
FR869760A
(en )
1942-02-16
Device for checking during operation of the sparking on the spark plugs of internal combustion engines
FR1062694A
(en )
1954-04-26
Fuel saving device for combustion engines
FR1239216A
(en )
1960-08-19
Spark plug for internal combustion engines
FR716717A
(en )
1931-12-26
Spark plug with automatic scouring device for internal combustion engines
FR1075785A
(en )
1954-10-20
Advanced fuels for internal combustion engines
BE532444A
(en )
1958-02-14
IMPROVEMENTS FOR SPARK PLUGS FOR COMBUSTION ENGINES.
FR1232318A
(en )
1960-10-07
Spark plug with gas insulator for internal combustion engines
FR1192103A
(en )
1959-10-23
Spark plug for internal combustion engine
FR610485A
(en )
1926-09-06
Self-cleaning spark plug for internal combustion engines
FR1432218A
(en )
1966-03-18
Spark plug combined with an injector for internal combustion engine
FR1038459A
(en )
1953-09-29
Spark plug for internal combustion engines
FR1043424A
(en )
1953-11-09
Spark plug for internal combustion engines
FR1153786A
(en )
1958-03-21
Ignition device for internal combustion engine
FR1226115A
(en )
1960-07-08
Glow plug, especially for internal combustion engines
FR1163305A
(en )
1958-09-24
Spark plug for internal combustion engines