CA415678A
(fr )
1943-10-05
Systeme de transmission de la parole
CA415677A
(fr )
1943-10-05
Systeme de transmission de la parole
CA416969A
(fr )
1943-12-14
Systeme de transmission
CA410911A
(fr )
1943-03-02
Systeme de transmission de vues
CA412243A
(fr )
1943-05-04
Systeme de transmission de vues
CA410977A
(fr )
1943-03-09
Systeme de transmission des harmoniques
CA409825A
(fr )
1943-01-05
Systeme telephonique
CA409856A
(fr )
1943-01-05
Systeme telephonique
CA409858A
(fr )
1943-01-05
Systeme telephonique
CA409859A
(fr )
1943-01-05
Systeme telephonique
CA410075A
(fr )
1943-01-19
Systeme telephonique
CA410266A
(fr )
1943-01-26
Systeme telephonique
CA410351A
(fr )
1943-02-02
Systeme telephonique
CA411301A
(fr )
1943-03-23
Systeme telephonique
CA411343A
(fr )
1943-03-23
Systeme telephonique
CA411409A
(fr )
1943-03-30
Systeme telephonique
CA411411A
(fr )
1943-03-30
Systeme telephonique
CA411741A
(fr )
1943-04-13
Systeme telephonique
CA411742A
(fr )
1943-04-13
Systeme telephonique
CA411807A
(fr )
1943-04-13
Systeme telephonique
CA411835A
(fr )
1943-04-13
Systeme telephonique
CA412387A
(fr )
1943-05-11
Systeme telephonique
CA413124A
(fr )
1943-06-08
Systeme telephonique
CA413303A
(fr )
1943-06-22
Systeme telephonique
CA413326A
(fr )
1943-06-22
Systeme telephonique