[go: up one dir, main page]

BE474772A - - Google Patents

Info

Publication number
BE474772A
BE474772A BE474772DA BE474772A BE 474772 A BE474772 A BE 474772A BE 474772D A BE474772D A BE 474772DA BE 474772 A BE474772 A BE 474772A
Authority
BE
Belgium
Prior art keywords
relay
contact
group
relays
conductor
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE474772A publication Critical patent/BE474772A/fr

Links

Classifications

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Interface Circuits In Exchanges (AREA)
BE474772D BE474772A (da)

Publications (1)

Publication Number Publication Date
BE474772A true BE474772A (da)

Family

ID=123688

Family Applications (1)

Application Number Title Priority Date Filing Date
BE474772D BE474772A (da)

Country Status (1)

Country Link
BE (1) BE474772A (da)

Similar Documents

Publication Publication Date Title
BE474772A (da)
BE522048A (da)
BE475355A (da)
BE344462A (da)
BE384554A (da)
US1312688A (en) Plancxtrai
BE484075A (da)
CH120389A (fr) Installation téléphonique permettant la taxation de connexions de différentes valeurs.
BE483916A (da)
BE409407A (da)
BE351681A (da)
BE400690A (da)
BE412533A (da)
BE470530A (da)
BE436502A (da)
BE420586A (da)
BE367264A (da)
CH137598A (fr) Installation téléphonique automatique.
BE454860A (da)
BE482797A (da)
BE420417A (da)
CH120110A (fr) Installation téléphonique automatique.
BE415524A (da)
BE469942A (da)
BE430357A (da)