[go: up one dir, main page]

BE428120A - - Google Patents

Info

Publication number
BE428120A
BE428120A BE428120DA BE428120A BE 428120 A BE428120 A BE 428120A BE 428120D A BE428120D A BE 428120DA BE 428120 A BE428120 A BE 428120A
Authority
BE
Belgium
Prior art keywords
brushes
relay
switching
sets
circuit
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE428120A publication Critical patent/BE428120A/fr

Links

Classifications

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Structure Of Telephone Exchanges (AREA)
BE428120D BE428120A (da)

Publications (1)

Publication Number Publication Date
BE428120A true BE428120A (da)

Family

ID=88558

Family Applications (1)

Application Number Title Priority Date Filing Date
BE428120D BE428120A (da)

Country Status (1)

Country Link
BE (1) BE428120A (da)

Similar Documents

Publication Publication Date Title
BE428120A (da)
BE428087A (da)
BE437005A (da)
BE428566A (da)
BE428565A (da)
BE413526A (da)
BE427075A (da)
BE427985A (da)
BE421347A (da)
BE491463A (da)
BE412286A (da)
BE432817A (da)
BE436878A (da)
BE415247A (da)
BE350916A (da)
BE363079A (da)
CH103788A (fr) Installation téléphonique pour bureaux centraux à commutateurs sélecteurs automatiques.
BE347524A (da)
BE457064A (da)
BE428323A (da)
BE482797A (da)
BE438529A (da)
BE336765A (da)
BE395663A (da)
BE428776A (da)