BE386705A - - Google Patents

Info

Publication number
BE386705A
BE386705A BE386705DA BE386705A BE 386705 A BE386705 A BE 386705A BE 386705D A BE386705D A BE 386705DA BE 386705 A BE386705 A BE 386705A
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 BE386705A publication Critical patent/BE386705A/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M19/00—Current supply arrangements for telephone systems
    • H04M19/02—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Supply And Installment Of Electrical Components (AREA)
BE386705D 1931-02-25 BE386705A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE397177X 1931-02-25

Publications (1)

Publication Number Publication Date
BE386705A true BE386705A (enrdf_load_stackoverflow)

Family

ID=20309387

Family Applications (1)

Application Number Title Priority Date Filing Date
BE386705D BE386705A (enrdf_load_stackoverflow) 1931-02-25

Country Status (2)

Country Link
BE (1) BE386705A (enrdf_load_stackoverflow)
GB (1) GB397177A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
GB397177A (en) 1933-08-21

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