CA415461A
(fr )
1943-09-28
Lampe a frequences ultra-hautes
CA414435A
(fr )
1943-08-10
Lampe a frequences ultra-hautes
CA411242A
(fr )
1943-03-23
Convertissuer de frequences ultra-hautes
CA417345A
(fr )
1943-12-28
Systeme a changer les frequences
CA410223A
(fr )
1943-01-26
Comparateur des frequences
CA410212A
(fr )
1943-01-26
Appareil de hautes frequences
CA416691A
(fr )
1943-11-30
Convertisseur des frequences
CA411105A
(fr )
1943-03-16
Lampe a decharges oscillatoires
AU119007B2
(en )
1944-10-12
Reactance tube
CA414084A
(fr )
1943-07-27
Systeme de radiofrequences
CA411528A
(fr )
1943-03-30
Bande de support de tubes
AU119632B2
(en )
High frequency coupling devices
AU116542B2
(en )
1943-02-18
Frequency meter
AU131440B2
(en )
1944-01-04
High frequency antenna
CA410273A
(fr )
1943-01-26
Antenne a hautes frequences
AU121655B2
(en )
1943-07-15
Frequency standard vernier
AU117313B2
(en )
1943-08-12
High frequency receivers
CA410509A
(fr )
1943-02-09
Controle des frequences resonantes
CA410758A
(fr )
1943-02-23
Lampe a decharges dans l'espace
CA413218A
(fr )
1943-06-15
Lampe a vide
AU118683B2
(en )
Frequency modulator
AU119114B2
(en )
1944-11-09
Frequency modulator
CA415245A
(fr )
1943-09-14
Dispositif de syntonisation de la radio
AU120478B2
(en )
1945-11-01
Frequency multipliers
CA411814A
(fr )
1943-04-13
Oscillateur a magnetron