BE475947A - - Google Patents

Info

Publication number
BE475947A
BE475947A BE475947DA BE475947A BE 475947 A BE475947 A BE 475947A BE 475947D A BE475947D A BE 475947DA BE 475947 A BE475947 A BE 475947A
Authority
BE
Belgium
Prior art keywords
relay
designation
office
switch
line
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE475947A publication Critical patent/BE475947A/fr

Links

Classifications

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Devices For Supply Of Signal Current (AREA)
BE475947D BE475947A (https=)

Publications (1)

Publication Number Publication Date
BE475947A true BE475947A (https=)

Family

ID=124476

Family Applications (1)

Application Number Title Priority Date Filing Date
BE475947D BE475947A (https=)

Country Status (1)

Country Link
BE (1) BE475947A (https=)

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