CA500889A
(fr )
1954-03-23
Lampe a haute frequence
CA500565A
(fr )
1954-03-09
Structure de lampe a electrons a haute frequence
CA506347A
(fr )
1954-10-05
Supports
CA513182A
(fr )
1955-05-24
Structure de lampe a haute frequence
CA505831A
(fr )
1954-09-14
Lampe a rayons cathodiques
CA499214A
(fr )
1954-01-12
Lampe a decharge d'electrons
AU200326B2
(en )
1955-03-10
Backward wave tube
AU200599B2
(en )
1954-12-23
High-frequency iinductor
CA492688A
(fr )
1953-05-05
Structure de lampe a haute frequence
CA491397A
(fr )
1953-03-17
Structures de lampes a haute frequence
AU202767B2
(en )
Traveling- wave tube
CA501284A
(fr )
1954-04-06
Chauffage a haute frequence
AU165097B2
(en )
1954-06-17
Travelling wave tube
AU204541B2
(en )
1955-05-19
Travelling wave tube
AU205487B2
(en )
1955-06-30
Traveling wave tube
CA502862A
(fr )
1954-05-25
Frequencemetre
CA501831A
(fr )
1954-04-27
Dispositifs de raccord a haute frequence
CA502229A
(fr )
1954-05-11
Comparateur de frequence
CA502228A
(fr )
1954-05-11
Comparateur de frequence
AU289654A
(en )
1955-03-10
Backward wave tube
AU103154A
(en )
1954-12-23
High-frequency iinductor
CA504135A
(fr )
1954-07-06
Appareil diviseur de frequence
CA501353A
(fr )
1954-04-06
Unite de syntonisation
CA500436A
(fr )
1954-03-09
Antennes a haute frequence
CA508519A
(fr )
1954-12-28
Ethers