BE487619A
(enrdf_load_stackoverflow )
BE487693A
(enrdf_load_stackoverflow )
BE484932A
(enrdf_load_stackoverflow )
US2815404A
(en )
1957-12-03
Connection for automatic ring signal
BE436878A
(enrdf_load_stackoverflow )
BE421347A
(enrdf_load_stackoverflow )
BE484834A
(enrdf_load_stackoverflow )
BE415247A
(enrdf_load_stackoverflow )
US980690A
(en )
1911-01-03
Telephone-rent-collecting device.
BE475418A
(enrdf_load_stackoverflow )
BE491463A
(enrdf_load_stackoverflow )
BE358714A
(enrdf_load_stackoverflow )
BE406817A
(enrdf_load_stackoverflow )
BE465858A
(enrdf_load_stackoverflow )
BE350915A
(enrdf_load_stackoverflow )
BE428120A
(enrdf_load_stackoverflow )
BE345833A
(enrdf_load_stackoverflow )
BE472621A
(enrdf_load_stackoverflow )
BE480220A
(enrdf_load_stackoverflow )
BE413526A
(enrdf_load_stackoverflow )
BE350916A
(enrdf_load_stackoverflow )
CH101057A
(fr )
1923-09-17
Installation pour bureau central téléphonique à commutation automatique.
BE427507A
(enrdf_load_stackoverflow )
BE420586A
(enrdf_load_stackoverflow )
CH135611A
(fr )
1929-09-30
Installation téléphonique.