CA402391A
(fr )
1942-01-20
Systeme de projection
CA402523A
(fr )
1942-01-27
Systeme telemoteur
CA409691A
(fr )
1942-12-29
Systeme de projection imprimeur
CA402402A
(fr )
1942-01-20
Systeme de lentilles
CA402330A
(fr )
1942-01-20
Systeme de projection de vues colorees
CA407851A
(fr )
1942-10-06
Systeme d'optique
AU117552B2
(en )
1943-10-07
Optical system
CA401996A
(fr )
1942-01-06
Systeme optique
AU117878B2
(en )
1943-12-23
Television system
AU117403B2
(en )
Television system
CA402569A
(fr )
1942-01-27
Systeme de television
CA403215A
(fr )
1942-03-03
Systeme de television
CA405916A
(fr )
1942-07-07
Systeme de television
CA408245A
(fr )
1942-10-27
Systeme de television
CA408846A
(fr )
1942-11-24
Systeme de television
CA408848A
(fr )
1942-11-24
Systeme de television
CA402020A
(fr )
1942-01-06
Systeme de television
CA408754A
(fr )
1942-11-17
Systeme radiogoniometrique
CA407300A
(fr )
1942-09-08
Systeme a supprimer les frequences-images
CA402499A
(fr )
1942-01-27
Systeme de transformateur
CA404910A
(fr )
1942-05-19
Systeme de commande de radio-phonographe
AU117599B2
(en )
1943-10-21
Signalling system
AU116538B2
(en )
Signalling system
CA404106A
(fr )
1942-04-14
Systeme de signalisation
CA404399A
(fr )
1942-04-28
Systeme de signalisation