CA411423A
(fr )
1943-03-30
Systeme de conversion des frequences
CA390701A
(fr )
1940-08-13
Convertisseur des ondes courtes
CA388788A
(fr )
1940-05-21
Convertisseur continu
CA399524A
(fr )
1941-09-23
Convertisseur des frequences
CA401872A
(fr )
1941-12-30
Convertisseur des frequences
CA389058A
(fr )
1940-05-28
Generateur d'ondes en dents de scie
CA389495A
(fr )
1940-06-18
Systeme a ondes ultracourtes
CA393332A
(fr )
1940-12-24
Systeme a ondes ultra-courtes
CA386424A
(fr )
1940-01-23
Treuil a force motrice
CA388332A
(fr )
1940-04-30
Treuil a force motrice
CA390406A
(fr )
1940-07-30
Silencieux
CA386052A
(fr )
1940-01-02
Catalyse
AU113073B2
(en )
1941-05-22
Wave filters
CA390873A
(fr )
1940-08-20
Filtre des ondes
CA390235A
(fr )
1940-07-23
Preparation de catalyseurs
CA387069A
(fr )
1940-02-27
Grue
CA387364A
(fr )
1940-03-12
Baratte
CA386251A
(fr )
1940-01-16
Baratte
AU112870B2
(en )
1941-04-24
Harvester-thresher
CA386375A
(fr )
1940-01-16
4-alcoyle-5-hydroxyalcoylethiazole
CA386403A
(fr )
1940-01-16
Arsenobenzene-monosulfoxylate
CA386590A
(fr )
1940-01-30
2-p-dioxanone
CA386591A
(fr )
1940-01-30
Hydroxy-propanone
CA386659A
(fr )
1940-01-30
Arsenobenzene-mono-sulfoxylate
CA387533A
(fr )
1940-03-19
2-methyle-4-amino-5-cyanopyrimidine