BE430270A - - Google Patents

Info

Publication number
BE430270A
BE430270A BE430270DA BE430270A BE 430270 A BE430270 A BE 430270A BE 430270D A BE430270D A BE 430270DA BE 430270 A BE430270 A BE 430270A
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 BE430270A publication Critical patent/BE430270A/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M19/00—Current supply arrangements for telephone systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Devices For Supply Of Signal Current (AREA)
BE430270D 1937-09-21 BE430270A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2563937A GB502800A (en) 1937-09-21 1937-09-21 Improvements in power supply arrangements suitable for use in telephone systems

Publications (1)

Publication Number Publication Date
BE430270A true BE430270A (zh)

Family

ID=10230921

Family Applications (1)

Application Number Title Priority Date Filing Date
BE430270D BE430270A (zh) 1937-09-21

Country Status (2)

Country Link
BE (1) BE430270A (zh)
GB (1) GB502800A (zh)

Also Published As

Publication number Publication date
GB502800A (en) 1939-03-21

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