BE474794A - - Google Patents

Info

Publication number
BE474794A
BE474794A BE474794DA BE474794A BE 474794 A BE474794 A BE 474794A BE 474794D A BE474794D A BE 474794DA BE 474794 A BE474794 A BE 474794A
Authority
BE
Belgium
Prior art keywords
relay
contact
sep
circuit
line
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE474794A publication Critical patent/BE474794A/fr

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q1/00Details of selecting apparatus or arrangements
    • H04Q1/18Electrical details
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q3/00Selecting arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Interface Circuits In Exchanges (AREA)
BE474794D BE474794A (en))

Publications (1)

Publication Number Publication Date
BE474794A true BE474794A (en))

Family

ID=123706

Family Applications (1)

Application Number Title Priority Date Filing Date
BE474794D BE474794A (en))

Country Status (1)

Country Link
BE (1) BE474794A (en))

Similar Documents

Publication Publication Date Title
BE474794A (en))
BE522048A (en))
BE473140A (en))
US1174434A (en) Telephone pay-station.
CH292957A (fr) Installation de commutation automatique.
BE446398A (en))
BE481263A (en))
BE483616A (en))
BE482829A (en))
CH272954A (fr) Installation téléphonique automatique.
BE482801A (en))
BE420417A (en))
BE475418A (en))
BE409407A (en))
BE474772A (en))
BE408188A (en))
BE438529A (en))
BE482797A (en))
BE431601A (en))
BE469508A (en))
BE474612A (en))
BE415247A (en))
BE464914A (en))
BE420586A (en))
BE351681A (en))