CA447261A
(fr )
1948-03-16
Multiplicateur electronique de frequence
CA448711A
(fr )
1948-05-25
Multiplicateur de frequences
CA452507A
(fr )
1948-11-09
Magnetron de haute frequence
CA453297A
(fr )
1948-12-14
Circuit electronique
CA446667A
(fr )
1948-02-10
Dispositif electronique a frequence ultra-haute
CA447623A
(fr )
1948-03-30
Dispositif electronique a frequence ultra-haute
CA450317A
(fr )
1948-08-03
Circuit de division de frequence
CA448464A
(fr )
1948-05-11
Appareil electronique
CA446446A
(fr )
1948-01-27
Appareil a decharges electroniques
CA451333A
(fr )
1948-09-21
Circuit sensible a la frequence
CA452201A
(fr )
1948-10-26
Circuit sensible a la frequence
CA452968A
(fr )
1948-11-30
Magnetron de haute frequence
CA447969A
(fr )
1948-04-20
Oscillateur a haute frequence
CA448293A
(fr )
1948-05-04
Oscillateur a haute frequence
CA448856A
(fr )
1948-06-01
Oscillateur a haute frequence
CA447263A
(fr )
1948-03-16
Dispositif a decharge d'electrons
CA448595A
(fr )
1948-05-18
Dispositif a decharges electroniques
CA453454A
(fr )
1948-12-21
Dispositif a decharges electroniques
CA448331A
(fr )
1948-05-04
Multiplicateur d'electrons
CA448782A
(fr )
1948-05-25
Multiplicateur d'electrons
CA450024A
(fr )
1948-07-20
Multiplicateur d'electrons
CA452194A
(fr )
1948-10-26
Dispositif electronique
CA450738A
(fr )
1948-08-24
Dispositif electronique
CA451900A
(fr )
1948-10-12
Dispositif electronique
CA449956A
(fr )
1948-07-20
Dispositif electronique