CA508342A
(fr )
1954-12-21
Systeme indicateur de radiation a frequences ultra hautes
CA500889A
(fr )
1954-03-23
Lampe a haute frequence
CA503447A
(fr )
1954-06-01
Lampes a vide pour frequences ultra hautes
CA500436A
(fr )
1954-03-09
Antennes a haute frequence
CA507796A
(fr )
1954-11-30
Tetrode a frequence ultra haute
CA502718A
(fr )
1954-05-18
Coupleurs a frequence ultra haute
CA502715A
(fr )
1954-05-18
Pont a frequence ultra haute
CA506091A
(fr )
1954-09-28
Generateur a ultra hautes frequences
CA505194A
(fr )
1954-08-17
Systeme de cadre-antenne a haute frequence
CA502062A
(fr )
1954-05-04
Systeme de communication a haute frequence
CA502263A
(fr )
1954-05-11
Systeme radiorecepteur a frequence stabilisee
CA501335A
(fr )
1954-04-06
Systeme d'antenne
CA504290A
(fr )
1954-07-13
Systeme de syntonisation
CA501284A
(fr )
1954-04-06
Chauffage a haute frequence
CA502055A
(fr )
1954-05-04
Structure de filtre a frequence ultra haute
CA501732A
(fr )
1954-04-20
Appareil de radio
CA503305A
(fr )
1954-05-25
Appareil de radio
CA491397A
(fr )
1953-03-17
Structures de lampes a haute frequence
CA492688A
(fr )
1953-05-05
Structure de lampe a haute frequence
CA502862A
(fr )
1954-05-25
Frequencemetre
CA502787A
(fr )
1954-05-18
Systeme de changement de frequence de signal d'ondes
CA501831A
(fr )
1954-04-27
Dispositifs de raccord a haute frequence
CA500172A
(fr )
1954-02-23
Systemes de radioreception
CA501061A
(fr )
1954-03-30
Transformateur de frequence de radio
CA504586A
(fr )
1954-07-27
Antennes et isolateurs s'y rapportant