BE450637A - - Google Patents

Info

Publication number
BE450637A
BE450637A BE450637DA BE450637A BE 450637 A BE450637 A BE 450637A BE 450637D A BE450637D A BE 450637DA BE 450637 A BE450637 A BE 450637A
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 BE450637A publication Critical patent/BE450637A/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
    • H04M17/026—Constructional features
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
BE450637D 1942-04-23 BE450637A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE236495X 1942-04-23

Publications (1)

Publication Number Publication Date
BE450637A true BE450637A (enrdf_load_stackoverflow)

Family

ID=5902133

Family Applications (1)

Application Number Title Priority Date Filing Date
BE450637D BE450637A (enrdf_load_stackoverflow) 1942-04-23

Country Status (3)

Country Link
BE (1) BE450637A (enrdf_load_stackoverflow)
CH (1) CH236495A (enrdf_load_stackoverflow)
FR (1) FR894150A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
CH236495A (de) 1945-02-15
FR894150A (fr) 1944-12-14

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