BE387820A - - Google Patents

Info

Publication number
BE387820A
BE387820A BE387820DA BE387820A BE 387820 A BE387820 A BE 387820A BE 387820D A BE387820D A BE 387820DA BE 387820 A BE387820 A BE 387820A
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 BE387820A publication Critical patent/BE387820A/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M17/00—Prepayment of wireline communication systems, wireless communication systems or telephone systems
    • H04M17/02—Coin-freed or check-freed systems, e.g. mobile- or card-operated phones, public telephones or booths
    • H04M17/023—Circuit arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Prepayment Telephone Systems (AREA)
BE387820D 1931-04-14 BE387820A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE399565X 1931-04-14

Publications (1)

Publication Number Publication Date
BE387820A true BE387820A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)

Family

ID=20309411

Family Applications (1)

Application Number Title Priority Date Filing Date
BE387820D BE387820A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html) 1931-04-14

Country Status (3)

Country Link
BE (1) BE387820A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)
FR (1) FR735136A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)
GB (1) GB399565A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)

Also Published As

Publication number Publication date
GB399565A (en) 1933-10-12
FR735136A (fr) 1932-11-03

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