CA408535A
(fr )
1942-11-10
Systeme convertisseur electrique
CA407429A
(fr )
1942-09-15
Systeme convertisseur du courant
CA405495A
(fr )
1942-06-16
Systeme redresseur electrique
CA408470A
(fr )
1942-11-10
Appareil convertisseur electrique
CA408143A
(fr )
1942-10-20
Systeme de barres-omnibus electriques
CA408892A
(fr )
1942-11-24
Systeme electrique de communications
CA408893A
(fr )
1942-11-24
Systeme electrique de communications
CA409204A
(fr )
1942-12-08
Systeme convertisseur a vibrateur pour le courant
CA409203A
(fr )
1942-12-08
Systeme convertisseur a vibrateur pour le courant
CA406704A
(fr )
1942-08-11
Systeme chronometreur electrique
CA409024A
(fr )
1942-12-01
Megaphone electrique
CA404210A
(fr )
1942-04-21
Systeme de signalisation electrique
CA407237A
(fr )
1942-09-08
Systeme de signalisation electrique
CA402191A
(fr )
1942-01-13
Systeme a supprimer les bruits parasites
CA402904A
(fr )
1942-02-17
Cable electrique
CA405615A
(fr )
1942-06-23
Cable electrique
CA407258A
(fr )
1942-09-08
Cable electrique
CA407800A
(fr )
1942-10-06
Cable electrique
CA409286A
(fr )
1942-12-08
Cable electrique
CA409318A
(fr )
1942-12-15
Systeme convertisseur de courant electrique
CA405958A
(fr )
1942-07-07
Systeme electrique de mesure
AU117520B2
(en )
1943-09-30
Electric wave system
CA405920A
(fr )
1942-07-07
Systeme de controle electrique
CA409220A
(fr )
1942-12-08
Systeme electrique de signalisation
CA402523A
(fr )
1942-01-27
Systeme telemoteur