|
BE474347A
(enrdf_load_stackoverflow)
|
|
|
|
US2194051A
(en)
|
|
Telephone switch
|
|
BE346568A
(enrdf_load_stackoverflow)
|
|
|
|
US1106126A
(en)
|
|
Operating device for electric switches.
|
|
US1338318A
(en)
|
|
Automatic telephone system
|
|
US1358945A
(en)
|
|
Measured-service telephone system
|
|
BE346565A
(enrdf_load_stackoverflow)
|
|
|
|
BE371073A
(enrdf_load_stackoverflow)
|
|
|
|
BE372233A
(enrdf_load_stackoverflow)
|
|
|
|
BE388990A
(enrdf_load_stackoverflow)
|
|
|
|
GB209044A
(enrdf_load_stackoverflow)
|
|
|
|
BE345811A
(enrdf_load_stackoverflow)
|
|
|
|
BE402117A
(enrdf_load_stackoverflow)
|
|
|
|
BE491234A
(enrdf_load_stackoverflow)
|
|
|
|
BE348402A
(enrdf_load_stackoverflow)
|
|
|
|
BE395167A
(enrdf_load_stackoverflow)
|
|
|
|
BE523427A
(enrdf_load_stackoverflow)
|
|
|
|
BE376368A
(enrdf_load_stackoverflow)
|
|
|
|
BE360598A
(enrdf_load_stackoverflow)
|
|
|
|
CH95435A
(fr)
|
|
Installation téléphonique semi-automatique.
|
|
BE387272A
(enrdf_load_stackoverflow)
|
|
|
|
GB105838A
(enrdf_load_stackoverflow)
|
|
|
|
BE420471A
(enrdf_load_stackoverflow)
|
|
|
|
BE387417A
(enrdf_load_stackoverflow)
|
|
|
|
BE412286A
(enrdf_load_stackoverflow)
|
|
|