CA402015A
(fr )
1942-01-06
Systeme electrique a souder
CA405435A
(fr )
1942-06-16
Chronometreur sans courant transitoire de systeme a souder
CA402523A
(fr )
1942-01-27
Systeme telemoteur
CA405135A
(fr )
1942-06-02
Systeme a souder a l'arc
CA406205A
(fr )
1942-07-21
Systeme d'ignitrons
CA406522A
(fr )
1942-08-04
Lampe a souder
CA405436A
(fr )
1942-06-16
Methode a souder
CA404355A
(fr )
1942-04-28
Methode a souder
CA406219A
(fr )
1942-07-21
Methode a souder
CA402944A
(fr )
1942-02-17
Systeme d'electrodes
CA404914A
(fr )
1942-05-19
Systeme d'electrodes
CA402957A
(fr )
1942-02-17
Systeme d'electrodes a couches bloqueuses
CA402424A
(fr )
1942-01-20
Appareil a souder
CA405374A
(fr )
1942-06-09
Appareil a souder
CA405323A
(fr )
1942-06-09
Appareil a souder
CA402499A
(fr )
1942-01-27
Systeme de transformateur
CA407797A
(fr )
1942-10-06
Materiel a souder
CA407794A
(fr )
1942-10-06
Materiel a souder
CA404018A
(fr )
1942-04-14
Pare-reflets
CA406153A
(fr )
1942-07-21
Appui-hanche
CA408359A
(fr )
1942-11-03
Radiometeorographie
CA408019A
(fr )
1942-10-13
Tete d'appareil a sons
CA403016A
(fr )
1942-02-24
Scie a dossiere
CA405803A
(fr )
1942-06-30
Lustre
CA407750A
(fr )
1942-09-29
Patin a ski