BE428323A - - Google Patents

Info

Publication number
BE428323A
BE428323A BE428323DA BE428323A BE 428323 A BE428323 A BE 428323A BE 428323D A BE428323D A BE 428323DA BE 428323 A BE428323 A BE 428323A
Authority
BE
Belgium
Prior art keywords
relay
office
line
telephone system
operator
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE428323A publication Critical patent/BE428323A/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
BE428323D BE428323A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Publications (1)

Publication Number Publication Date
BE428323A true BE428323A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Family

ID=88715

Family Applications (1)

Application Number Title Priority Date Filing Date
BE428323D BE428323A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Country Status (1)

Country Link
BE (1) BE428323A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

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