CA494407A
(fr )
1953-07-14
Chauffage a haute frequence
CA498164A
(fr )
1953-12-01
Circuit de restoration a basse frequence
CA497741A
(fr )
1953-11-17
Resonateur a haute frequence
CA491389A
(fr )
1953-03-17
Appareil a haute frequence
CA496097A
(fr )
1953-09-15
Dispositif electrique de haute frequence
CA494119A
(fr )
1953-06-30
Generateur a ultra haute frequence
CA494015A
(fr )
1953-06-30
Circuit a changement de frequence
AU158336B2
(en )
1953-03-19
High frequency cables
CA496105A
(fr )
1953-09-15
Circuit de comparaison d'amplitude
AU158598B2
(en )
1953-06-18
High frequency transistor
CA491555A
(fr )
1953-03-24
Moniteur de frequence
CA492301A
(fr )
1953-04-21
Appareil electrique pour discerner les frequences
CA497008A
(fr )
1953-10-20
Dispositif a decharges electriques de haute frequence
CA493687A
(fr )
1953-06-16
Dispositif a decharge electrique a haute frequence
CA497628A
(fr )
1953-11-10
Circuit amplificateur de haute frequence
CA490056A
(fr )
1953-01-27
Compteur de frequences
CA493379A
(fr )
1953-06-02
Resonateurs electriques
CA498513A
(fr )
1953-12-15
Circuit de retablissement a basse frequence
CA492688A
(fr )
1953-05-05
Structure de lampe a haute frequence
CA491397A
(fr )
1953-03-17
Structures de lampes a haute frequence
CA489584A
(fr )
1953-01-13
Dispositif co-axial a haute frequence
CA494845A
(fr )
1953-07-28
Modulation de frequence
AU1548753A
(en )
1953-03-19
High frequency cables
CA494028A
(fr )
1953-06-30
Circuit multiplicateur de frequences
AU160764B2
(en )
1954-01-28
Electrical condenser