CA497733A
(fr )
1953-11-17
Agencements de circuits d'amplificateurs a soupapes thermioniques
CA492993A
(fr )
1953-05-19
Circuits de lampes thermioniques
CA496658A
(fr )
1953-10-06
Circuits de lampes thermioniques
CA491557A
(fr )
1953-03-24
Structures de soupapes
AU165994B2
(en )
1953-12-17
Improvements relating to thermionic valve circuits
CA492528A
(fr )
1953-05-05
Soupape
CA494832A
(fr )
1953-07-28
Agencements de circuits d'amplificateurs de lampes thermioniques
AU2216453A
(en )
1953-12-17
Improvements relating to thermionic valve circuits
IE21485L
(en )
1954-10-02
Thermionic valve circuits.
CA493618A
(fr )
1953-06-16
Ensemble de soupape
CA498055A
(fr )
1953-12-01
Amplificateurs de lampes thermioniques
CA480506A
(fr )
1952-01-22
Soupapes thermioniques
CA481645A
(fr )
1952-03-11
Lampes thermioniques
CA488519A
(fr )
1952-12-02
Circuits de manipulation employant des lampes thermioniques
AU160205B2
(en )
1953-10-01
Control circuits
CA494940A
(fr )
1953-07-28
Circuits de commande
CA492129A
(fr )
1953-04-14
Circuits de dispositifs de tension compensee
CA490415A
(fr )
1953-02-10
Soupapes
CA491986A
(fr )
1953-04-14
Soupape
CA474222A
(fr )
1951-06-05
Circuits de tubes thermioniques
CA478943A
(fr )
1951-11-27
Circuits de lampes thermioniques
CA491699A
(fr )
1953-03-31
Circuits de repetiteurs
CA495753A
(fr )
1953-09-01
Circuits de pulsations
CA494482A
(fr )
1953-07-14
Circuit de tarif
CA491784A
(fr )
1953-04-07
Mecanismes de soupapes