CA415517A
(fr )
1943-09-28
Lampe a electrons
CA416823A
(fr )
1943-11-30
Lampe a electrons
CA415358A
(fr )
1943-09-21
Lampe a decharge d'electrons
CA413218A
(fr )
1943-06-15
Lampe a vide
CA415482A
(fr )
1943-09-28
Lampe a rayons cathodiques
CA413983A
(fr )
1943-07-20
Socle de lampe thermionique
CA414124A
(fr )
1943-07-27
Socle de lampe thermionique
CA414303A
(fr )
1943-08-03
Socle de lampe thermionique
CA411761A
(fr )
1943-04-13
Lampe fluorescente
CA413126A
(fr )
1943-06-08
Tube fluorescent
CA411648A
(fr )
1943-04-06
Socle de lampe
CA413821A
(fr )
1943-07-13
Socle de lampe a vide
CA413822A
(fr )
1943-07-13
Socle de lampe a vide
CA415013A
(fr )
1943-09-07
Tige de lampe a vide
AU119007B2
(en )
1944-10-12
Reactance tube
CA412592A
(fr )
1943-05-18
Lampe amplificatrice des rayons cathodiques
CA416824A
(fr )
1943-12-07
Enveloppe
AU120537B2
(en )
1945-11-10
Secondary electron emitters
CA410759A
(fr )
1943-02-23
Systeme de lampe a arc
CA411339A
(fr )
1943-03-23
Dispositif a decharge d'electrons
CA416957A
(fr )
1943-12-07
Dispositif a decharge d'electrons
CA410894A
(fr )
1943-03-02
Dispositif a decharge d'electrons
CA411058A
(fr )
1943-03-09
Dispositif a decharge d'electrons
CA411313A
(fr )
1943-03-23
Dispositif a decharge d'electrons
CA410893A
(fr )
1943-03-02
Dispositif a decharge d'electrons