CA403660A
(fr )
1942-03-24
Lampe a ecran incandescent
CA404764A
(fr )
1942-05-12
Lampe de television
CA402955A
(fr )
1942-02-17
Lampe a electrons
CA403415A
(fr )
1942-03-10
Lampe a electrons
CA405383A
(fr )
1942-06-09
Lampe a electrons
CA409154A
(fr )
1942-12-08
Lampe a electrons
CA407967A
(fr )
1942-10-13
Lampe a grille-ecran
CA409682A
(fr )
1942-12-29
Raccord de tube
CA409366A
(fr )
1942-12-15
Lampe a rayons-x
CA408016A
(fr )
1942-10-13
Blindage d'entree de lampe
CA408727A
(fr )
1942-11-17
Lampe electronique
CA402063A
(fr )
1942-01-06
Ecran luminescent
CA402390A
(fr )
1942-01-20
Ecran luminescent
CA402364A
(fr )
1942-01-20
Lampe a vide
CA403403A
(fr )
1942-03-10
Lampe photoelectrique
CA403404A
(fr )
1942-03-10
Lampe photoelectrique
CA406134A
(fr )
1942-07-21
Socle de lampe a vide
CA405498A
(fr )
1942-06-16
Chambre d'air de pneu
CA406957A
(fr )
1942-08-25
Chambre d'air de pneu
CA403502A
(fr )
1942-03-17
Lampe a multiplier les electrons
CA406971A
(fr )
1942-08-25
Lampe multiplicatrice d'electrons
AU115289B2
(en )
1942-06-18
Improvement in cathode-ray tube
CA404415A
(fr )
1942-04-28
Socle de lampe de la radio
CA406785A
(fr )
1942-08-18
Moustiquaire de fenetre
CA406786A
(fr )
1942-08-18
Moustiquaire de fenetre