CA444876A
(fr )
1947-11-04
Circuit de lampe a vide a frequence ultra haute
CA442949A
(fr )
1947-07-15
Circuit de lampe a electrons
CA445776A
(fr )
1947-12-23
Circuit de lampe a electrons
AU137277B2
(en )
1947-06-05
Electron discharge tube circuit
AU143742B2
(en )
1948-02-12
Electron discharge tube circuit arrangements
CA443465A
(fr )
1947-08-05
Lampe a vide
CA445606A
(fr )
1947-12-16
Monture de lampe a vide
AU1201647A
(en )
1947-06-05
Electron discharge tube circuit
AU1740147A
(en )
1948-02-12
Electron discharge tube circuit arrangements
CA439917A
(fr )
1947-02-25
Circuit de lampe a rayons cathodiques
CA442262A
(fr )
1947-06-17
Oscillator de lampe a vide
CA445855A
(fr )
1947-12-30
Circuit a decharge d'electrons
CA443261A
(fr )
1947-07-29
Appareil de lampe a vide
CA441281A
(fr )
1947-05-06
Lampe a electrons
CA444666A
(fr )
1947-10-21
Lampe a electrons
CA444862A
(fr )
1947-11-04
Lampe a electrons
AU135741B2
(en )
Electron tube
CA441282A
(fr )
1947-05-06
Dispositif de lampe a electrons
CA445145A
(fr )
1947-11-18
Circuit de lampe electronique
CA444560A
(fr )
1947-10-14
Circuit de lampe fluorescente
CA444561A
(fr )
1947-10-14
Circuit de lampe fluorescente
CA446549A
(fr )
1948-02-03
Circuit de lampe a vide de haute frequence
CA444435A
(fr )
1947-10-07
Lampe electronique
CA439573A
(fr )
1947-02-04
Systeme de lampe a vide
CA441749A
(fr )
1947-05-27
Circuit de lampe a rayons cathodiques