CA427431A
(fr )
1945-05-08
Circuit de lampe thermionique
CA430701A
(fr )
1945-10-16
Socle de lampe thermionique
CA424880A
(fr )
1945-01-02
Lampe a electrons
CA426291A
(fr )
1945-03-20
Lampe a electrons
CA427408A
(fr )
1945-05-08
Lampe a electrons
CA428607A
(fr )
1945-07-03
Lampe a electrons
CA429993A
(fr )
1945-09-11
Circuit d'amplificateur thermionique
CA427376A
(fr )
1945-05-08
Lampe electronique
CA427377A
(fr )
1945-05-08
Lampe electronique
CA427556A
(fr )
1945-05-15
Dispositif thermionique
AU128691B2
(en )
1945-07-05
Vacuum tube for use ina cathode-input signaltranslating circuit arrangement
AU132993B2
(en )
1946-01-02
Electron tube structure
CA425802A
(fr )
1945-02-27
Circuit de lampe thermionique
CA427380A
(fr )
1945-05-08
Circuit de lampe thermionique
CA429284A
(fr )
1945-08-07
Circuit de lampe thermionique
CA429992A
(fr )
1945-09-11
Circuit de lampe thermionique
CA426436A
(fr )
1945-03-27
Circuit de relais thermionique
CA427054A
(fr )
1945-04-24
Lampe non-microphonique
CA426243A
(fr )
1945-03-20
Arrangement du circuit de lampe thermionique
CA426244A
(fr )
1945-03-20
Arrangement du circuit de lampe thermionique
AU128046B2
(en )
1948-07-08
Receiving tube structure
CA425475A
(fr )
1945-02-06
Lampe a decharges electriques
AU2105045A
(en )
1945-07-05
Vacuum tube for use ina cathode-input signaltranslating circuit arrangement
AU131141B2
(en )
1945-11-15
Vacuum tube connections
CA418067A
(fr )
1944-01-25
Circuit de lampe a vide