BE372930A - - Google Patents

Info

Publication number
BE372930A
BE372930A BE372930DA BE372930A BE 372930 A BE372930 A BE 372930A BE 372930D A BE372930D A BE 372930DA BE 372930 A BE372930 A BE 372930A
Authority
BE
Belgium
Prior art keywords
relay
contact
line
employee
circuit
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE372930A publication Critical patent/BE372930A/fr

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q3/00Selecting arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
BE372930D BE372930A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Publications (1)

Publication Number Publication Date
BE372930A true BE372930A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Family

ID=43956

Family Applications (1)

Application Number Title Priority Date Filing Date
BE372930D BE372930A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Country Status (1)

Country Link
BE (1) BE372930A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Similar Documents

Publication Publication Date Title
BE372930A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BE348402A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BE386377A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BE391036A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BE382658A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
US1358945A (en) Measured-service telephone system
SU29870A1 (ru) Телефонный коммутатор
SU200628A1 (ru) Релейный комплект для двухпроводных соединительных линий городских телефонных сетей
BE412286A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BE369910A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CH132457A (fr) Installation téléphonique semi-automatique.
BE347955A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CH128332A (fr) Poste téléphonique à verrouillage de l'appareil pour la transmission.
FR2681208A1 (fr) Installation d'interphone avec un poste de porte et avec au moins un poste vocal interieur.
BE420471A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BE361949A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CH141702A (fr) Installation téléphonique.
FR2510849A1 (fr) Dispositif de saisie des informations de numerotation d'un poste telephonique
BE350561A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BE410069A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BE346568A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BE383636A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BE481571A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BE395167A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BE372233A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)