CA447387A
(fr )
1948-03-23
Transmission
CA446861A
(fr )
1948-02-24
Systeme de transmission d'informations
CA452866A
(fr )
1948-11-23
Systeme de transmission de renseignements
CA453525A
(fr )
1948-12-21
Systeme de transmission de renseignements
CA446506A
(fr )
1948-02-03
Systeme de transmission
CA451182A
(fr )
1948-09-14
Systeme de transmission
CA447675A
(fr )
1948-04-06
Systeme de transmission de mouvement
AU143885B2
(en )
1948-05-13
Multiple transmission system
CA446349A
(fr )
1948-01-27
Systeme de transmission mecanique
CA447389A
(fr )
1948-03-23
Transmission
CA447677A
(fr )
1948-04-06
Transmission
CA447788A
(fr )
1948-04-13
Transmission
CA450669A
(fr )
1948-08-24
Transmission
AU1913148A
(en )
1948-05-13
Multiple transmission system
CA447978A
(fr )
1948-04-20
Ligne de transport d'energie
CA451482A
(fr )
1948-09-28
Systeme d'emetteur
CA445975A
(fr )
1948-01-06
Commande de transmission
CA448054A
(fr )
1948-04-27
Systeme de telautographe
CA447794A
(fr )
1948-04-13
Systeme emetteur de signaux
CA448746A
(fr )
1948-05-25
Systeme de transmission de signaux
CA452792A
(fr )
1948-11-23
Systeme transportable de transmission
CA447597A
(fr )
1948-03-30
Systeme emetteur de pulsations
CA451556A
(fr )
1948-10-05
Transmission a courroie ouverte
CA449483A
(fr )
1948-06-29
Systeme telegraphique
CA448848A
(fr )
1948-06-01
Systeme telephonique