CH31823A
(en )
1905-05-15
Electric spark plugs for explosion engines
AT24200B
(en )
1906-05-10
Electric spark plugs for explosion engines.
CH28433A
(en )
1904-04-30
Spark plug for explosion engines
CH55095A
(en )
1912-07-16
Electric spark plugs for explosion engines
CH41949A
(en )
1908-12-16
Electric ignition device for explosion engines
CH34535A
(en )
1906-04-30
Spark plug for explosion engines
CH77688A
(en )
1918-10-01
Electric spark plugs for explosion engines
CH27219A
(en )
1903-12-15
Electric igniter for explosion engines
CH28435A
(en )
1904-04-30
Electric igniter for explosion engines
CH32349A
(en )
1905-07-15
Electrode for spark plugs of explosion engines
CH29870A
(en )
1904-10-15
Electric ignition device for gas engines
CH54745A
(en )
1912-06-17
Spark plug for explosion engines
CH31364A
(en )
1905-03-31
Electric spark plug
CH31660A
(en )
1905-04-30
Electric spark plug
CH32346A
(en )
1905-07-15
Electric spark plug
CH39775A
(en )
1908-04-16
Spark plug for explosion engines
CH32621A
(en )
1905-08-15
Electric igniter for explosion engines
CH34414A
(en )
1906-04-15
Electric igniter for explosion engines
CH40530A
(en )
1908-07-16
Breakaway contact for electrical ignition of explosion engines
CH35691A
(en )
1906-10-15
Magnetic electric igniter for explosion engines
CH29995A
(en )
1904-10-31
Device for actuating electrical ignition devices for explosion engines
FR341092A
(en )
1904-07-28
Electric spark plug for explosion engines
CH79101A
(en )
1918-10-01
Electric spark plugs for explosion engines
CH40366A
(en )
1908-07-01
Magnetic electric ignition apparatus for multi-cylinder explosive engines
CH34533A
(en )
1906-05-15
Electric ignition device on explosion engines