FR684213A
(en )
1930-06-23
Device intended for checking the setting of internal combustion engines
FR650207A
(en )
1929-01-07
Device for constantly checking the operation of spark plugs in internal combustion engines
FR707312A
(en )
1931-07-07
Device for checking the operation of spark plugs of internal combustion engines
FR588132A
(en )
1925-04-30
Spark plug cleaning and checking device for internal combustion engines
FR605915A
(en )
1926-06-04
Device for checking the operation of spark plugs in internal combustion engines
FR645787A
(en )
1928-10-31
Device for unscrewing spark plugs from internal combustion engines and checking them
FR648719A
(en )
1928-12-13
Spark plug ignition tester in internal combustion engines
FR674367A
(en )
1930-01-28
Ignition device for internal combustion engines and in particular for multiple cylinder engines
FR686439A
(en )
1930-07-25
Device for checking the operation of spark plugs of an internal combustion engine
FR653117A
(en )
1929-03-18
Device for removing spark plugs from internal combustion engines
FR618316A
(en )
1927-03-07
Improvements made to spark plugs in explosion engines
FR646025A
(en )
1928-11-06
Apparatus for checking the operation of internal combustion engines and more specifically their ignition
FR706838A
(en )
1931-06-30
Device for checking the condition of spark plugs in internal combustion engines
FR664842A
(en )
1929-09-09
Spark plugs for internal combustion engines
FR670060A
(en )
1929-11-25
Spark plugs for internal combustion engines
FR665611A
(en )
1929-09-20
Spark plugs for internal combustion engines
FR653782A
(en )
1929-03-27
Spark plugs for internal combustion engines
FR623060A
(en )
1927-06-15
Spark plugs for internal combustion engines
FR637541A
(en )
1928-05-02
Spark plugs for internal combustion engines
FR591377A
(en )
1925-07-03
Improvements in the distribution of internal combustion engines
FR642709A
(en )
1928-09-03
Ignition device for internal combustion engines
FR632355A
(en )
1928-01-07
Internal combustion engine spark plug ignition tester
FR657113A
(en )
1929-05-17
Device for controlling the production of sparks at the spark plug electrodes of internal combustion engines
FR631523A
(en )
1927-12-22
Spark plugs for internal combustion engines
FR631709A
(en )
1927-12-26
Spark plugs for internal combustion engines