CA376410A
(fr )
1938-09-13
Electrode de lampe a decharges
CA371415A
(fr )
1938-01-25
Lampe a decharges electriques
CA371416A
(fr )
1938-01-25
Lampe a decharges electriques
CA371418A
(fr )
1938-01-25
Lampe a decharges electriques
CA371419A
(fr )
1938-01-25
Lampe a decharges electriques
CA372892A
(fr )
1938-04-05
Lampe a decharges electriques
CA373316A
(fr )
1938-04-26
Lampe a decharges electriques
CA373344A
(fr )
1938-04-26
Lampe a decharges electriques
CA373638A
(fr )
1938-05-10
Lampe a decharges electriques
CA373789A
(fr )
1938-05-17
Lampe a decharges electriques
CA373930A
(fr )
1938-05-24
Lampe a decharges electriques
CA373931A
(fr )
1938-05-24
Lampe a decharges electriques
CA374539A
(fr )
1938-06-21
Lampe a decharges electriques
CA375310A
(fr )
1938-07-26
Lampe electrique a decharges
CA376407A
(fr )
1938-09-13
Lampe a decharges electriques
CA367435A
(fr )
1937-07-20
Electrode de lampe a decharges
CA385595A
(fr )
1939-12-12
Lampe a decharges electriques
AU106802B2
(en )
1939-03-16
Improvements in electrode construction for electric discharge lamps
AU107995B2
(en )
1939-07-27
Improvements in electrode construction for electric discharge lamps
CA377511A
(fr )
1938-11-08
Dispositif a arc a decharges
CA373200A
(fr )
1938-04-19
Lampe tubulaire a decharges electriques
CA370951A
(fr )
1938-01-04
Dispositif de lampe a decharges electriques
CA371414A
(fr )
1938-01-25
Dispositif de lampe a decharges electriques
CA371990A
(fr )
1938-02-22
Dispositif de lampe a decharges electriques
CA373032A
(fr )
1938-04-12
Dispositif de lampe a decharges electriques