CA442626A
(fr )
1947-07-01
Crible vibratoire
CA444535A
(fr )
1947-10-14
Crible vibratoire
CA445204A
(fr )
1947-11-25
Crible
CA436525A
(fr )
1946-08-20
Ecran vibratoire
CA442320A
(fr )
1947-06-17
Vibrateur
CA444539A
(fr )
1947-10-14
Grille de tambour
CA445348A
(fr )
1947-12-02
Grille de detention
CA445376A
(fr )
1947-12-02
Commande de crible plat
AU134622B2
(en )
1948-03-04
An improved sifting device
CA441249A
(fr )
1947-05-06
Detecteur de vibrations
CA442728A
(fr )
1947-07-08
Ecran luminescent
CA443555A
(fr )
1947-08-05
Ecran luminescent
CA445797A
(fr )
1947-12-23
Filet
CA430174A
(fr )
1945-09-18
Crible vibrateur
CA439164A
(fr )
1947-01-14
Appareil de commande de canon
CA440107A
(fr )
1947-03-11
Chasse-neige
CA440108A
(fr )
1947-03-11
Chasse-neige
CA445426A
(fr )
1947-12-09
Appareil pour elever un liquide
CA442599A
(fr )
1947-07-01
Appareil vibratoire electromagnetique
CA439341A
(fr )
1947-01-21
Appareil de television
CA440426A
(fr )
1947-03-25
Appareil de television
CA445379A
(fr )
1947-12-02
Appareil de television
CA445050A
(fr )
1947-11-18
Carton de montre
AU140979B2
(en )
1947-12-04
Phosphor screens
AU138100B2
(en )
Metal Screen