CA415457A
(fr )
1943-09-28
Bague de lampe a vide
CA410048A
(fr )
1943-01-19
Tube de pitot
CA413218A
(fr )
1943-06-15
Lampe a vide
CA415517A
(fr )
1943-09-28
Lampe a electrons
CA416823A
(fr )
1943-11-30
Lampe a electrons
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
CA410760A
(fr )
1943-02-23
Porteur du pousse-vide de lampe a vide
AU119007B2
(en )
1944-10-12
Reactance tube
AU121011B2
(en )
Vacuum tube circuits
CA423003A
(fr )
1944-10-03
Dispositif d'entree de lampe
CA409749A
(fr )
1943-01-05
Amplificateur photoelectrique a lampe a vide
CA415482A
(fr )
1943-09-28
Lampe a rayons cathodiques
CA411648A
(fr )
1943-04-06
Socle de lampe
CA414996A
(fr )
1943-09-07
Aspirateur
CA415284A
(fr )
1943-09-21
Aspirateur
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
CA422041A
(fr )
1944-08-08
Lampe photoelectrique
CA415450A
(fr )
1943-09-28
Fabrication de lampes de la radio
AU918743A
(en )
1944-10-12
Reactance tube
CA411761A
(fr )
1943-04-13
Lampe fluorescente
CA413126A
(fr )
1943-06-08
Tube fluorescent