BE374022A - - Google Patents

Info

Publication number
BE374022A
BE374022A BE374022DA BE374022A BE 374022 A BE374022 A BE 374022A BE 374022D A BE374022D A BE 374022DA BE 374022 A BE374022 A BE 374022A
Authority
BE
Belgium
Prior art keywords
office
relay
operator
main
auxiliary
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE374022A publication Critical patent/BE374022A/fr

Links

Classifications

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
BE374022D BE374022A (https=)

Publications (1)

Publication Number Publication Date
BE374022A true BE374022A (https=)

Family

ID=44857

Family Applications (1)

Application Number Title Priority Date Filing Date
BE374022D BE374022A (https=)

Country Status (1)

Country Link
BE (1) BE374022A (https=)

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