CA498604A
(fr )
1953-12-22
Systeme recepteur anti-bruits d'ondes porteuses
CA493979A
(fr )
1953-06-30
Systeme a l'epreuve de l'effraction
CA492712A
(fr )
1953-05-05
Systeme de telegraphe a ondes porteuses
CA490972A
(fr )
1953-03-03
Systeme detecteur de frequence
CA496484A
(fr )
1953-09-29
Systeme sensible aux pulsations
CA495475A
(fr )
1953-08-18
Systeme de transmission d'ondes porteuses multiples
AU162521B2
(en )
1953-05-14
Improvement infrequency-control system
CA497922A
(fr )
1953-11-24
Systemes de telegraphes a ondes porteuses
CA497923A
(fr )
1953-11-24
Systeme de diversite
CA495844A
(fr )
1953-09-08
Systeme selecteur
CA497235A
(fr )
1953-10-27
Systeme recepteur a diversite
CA489587A
(fr )
1953-01-13
Systeme de mise au point
CA493419A
(fr )
1953-06-02
Systeme de reperage d'objet
CA497390A
(fr )
1953-11-03
Systeme de modulation
CA494498A
(fr )
1953-07-14
Systeme de modulation
CA496988A
(fr )
1953-10-20
Systeme pour depister
CA492709A
(fr )
1953-05-05
Systemes de reperage d'objets
CA492711A
(fr )
1953-05-05
Systemes de reperage d'objets
CA497282A
(fr )
1953-10-27
Systeme de convertisseur
CA490193A
(fr )
1953-02-03
Systeme de navigation
CA490306A
(fr )
1953-02-03
Systeme de navigation
CA490937A
(fr )
1953-03-03
Systeme de navigation
CA497543A
(fr )
1953-11-10
Systeme d'antenne
CA498916A
(fr )
1953-12-29
Systeme d'antenne
AU163638B2
(en )
1954-01-21
Communication system