CA376077A
(fr )
1938-08-30
Ligne de transmission a haute frequence
AU109246B2
(en )
1939-12-14
High frequency transmission networks
CA378334A
(fr )
1938-12-13
Accouplement
CA372670A
(fr )
1938-03-22
Cable a hautes frequences
AU476038A
(en )
1939-12-14
High frequency transmission networks
CA375388A
(fr )
1938-07-26
Reseau a transmission d'ondes
CA377319A
(fr )
1938-10-25
Reseau a transmission des ondes
CA375386A
(fr )
1938-07-26
Circuit de transmission
AU106880B2
(en )
High frequency coupling device
CA372049A
(fr )
1938-02-22
Systeme de transmission des ondes
CA376276A
(fr )
1938-09-06
Transmission de signaux
CA372592A
(fr )
1938-03-22
Systeme de couplage a hautes frequences
CA374219A
(fr )
1938-06-07
Systeme de couplage a haute frequence
AU108350B2
(en )
1939-09-07
Transmission modifying networks
CA374028A
(fr )
1938-05-24
Transmission de force motrice
CA376809A
(fr )
1938-09-27
Transmission de force motrice
CA376671A
(fr )
1938-09-20
Systeme de changement des frequences
AU107932B2
(en )
1939-07-20
Frequency changers
AU109708B2
(en )
1940-02-10
Multiplex high frequency transmission systems
CA374903A
(fr )
1938-07-05
Transmetteur telegraphique
CA375594A
(fr )
1938-08-09
Convertisseur des frequences
CA379151A
(fr )
1939-01-24
Reseau de transmission par ondes
CA372183A
(fr )
1938-03-01
Mecanisme de transmission
CA371716A
(fr )
1938-02-01
Mecanisme de transmission
CA375906A
(fr )
1938-08-23
Mecanisme de la transmission