BE476547A - - Google Patents

Info

Publication number
BE476547A
BE476547A BE476547DA BE476547A BE 476547 A BE476547 A BE 476547A BE 476547D A BE476547D A BE 476547DA BE 476547 A BE476547 A BE 476547A
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 BE476547A publication Critical patent/BE476547A/xx

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M9/00Arrangements for interconnection not involving centralised switching
    • H04M9/001Two-way communication systems between a limited number of parties

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Radio Relay Systems (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
BE476547D 1945-10-12 BE476547A (en:Method)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2671645A GB602119A (en) 1945-10-12 1945-10-12 Improvements in or relating to direct call telephone systems

Publications (1)

Publication Number Publication Date
BE476547A true BE476547A (en:Method)

Family

ID=10248105

Family Applications (1)

Application Number Title Priority Date Filing Date
BE476547D BE476547A (en:Method) 1945-10-12

Country Status (3)

Country Link
BE (1) BE476547A (en:Method)
FR (1) FR956810A (en:Method)
GB (1) GB602119A (en:Method)

Also Published As

Publication number Publication date
GB602119A (en) 1948-05-20
FR956810A (en:Method) 1950-02-08

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