BE493791A - - Google Patents

Info

Publication number
BE493791A
BE493791A BE493791DA BE493791A BE 493791 A BE493791 A BE 493791A BE 493791D A BE493791D A BE 493791DA BE 493791 A BE493791 A BE 493791A
Authority
BE
Belgium
Application number
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Publication of BE493791A publication Critical patent/BE493791A/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • H04Q1/18—Electrical details
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/58—Arrangements providing connection between main exchange and sub-exchange or satellite
    • H04Q3/62—Arrangements providing connection between main exchange and sub-exchange or satellite for connecting to private branch exchanges
    • H04Q3/625—Arrangements in the private branch exchange

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Interface Circuits In Exchanges (AREA)
BE493791D 1949-02-09 BE493791A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL678319X 1949-02-09

Publications (1)

Publication Number Publication Date
BE493791A true BE493791A (ja)

Family

ID=19802353

Family Applications (1)

Application Number Title Priority Date Filing Date
BE493791D BE493791A (ja) 1949-02-09

Country Status (4)

Country Link
BE (1) BE493791A (ja)
FR (1) FR1013615A (ja)
GB (1) GB678319A (ja)
NL (2) NL144773B (ja)

Also Published As

Publication number Publication date
NL72168C (ja)
GB678319A (en) 1952-09-03
FR1013615A (fr) 1952-07-31
NL144773B (nl)

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