CA416883A
(fr )
1943-12-07
Courant a haute frequence pour sceller les lampes
CA413188A
(fr )
1943-06-15
Sceau de lampe a decharges electriques
CA410920A
(fr )
1943-03-02
Lampe electrique a decharges
CA410658A
(fr )
1943-02-16
Lampe a decharges electriques
CA409932A
(fr )
1943-01-12
Methode a sceller les electrodes d'ampoules en quartz
CA413660A
(fr )
1943-07-06
Lampe electrique
CA414057A
(fr )
1943-07-20
Lampe electrique
CA414239A
(fr )
1943-08-03
Lampe electrique
CA414238A
(fr )
1943-08-03
Lampe electrique incandescente
CA414240A
(fr )
1943-08-03
Lampe electrique incandescente
CA414890A
(fr )
1943-08-31
Methode a vide d'air de lampes
CA409931A
(fr )
1943-01-12
Fabrication de lampes
CA416044A
(fr )
1943-10-26
Appareil a decharge d'electrons
CA416350A
(fr )
1943-11-09
Appareil a decharge d'electrons
CA410724A
(fr )
1943-02-23
Support de lampe electrique
CA410735A
(fr )
1943-02-23
Support de lampe electrique
CA414423A
(fr )
1943-08-10
Support de lampe electrique
CA414504A
(fr )
1943-08-10
Electrode de dispositif a decharge d'electrons
AU125062B2
(en )
1947-08-14
Frequency modulation
CA412565A
(fr )
1943-05-18
Arrangement de circuit a hautes frequences
CA417181A
(fr )
1943-12-21
Lampe gazeuse a decharges
CA411240A
(fr )
1943-03-23
Support de lampe
CA415735A
(fr )
1943-10-12
Porte-lampe
CA417185A
(fr )
1943-12-21
Commutateur de mise en fonction de lampe
CA417126A
(fr )
1943-12-21
Monture electrique