BE356266A - - Google Patents

Info

Publication number
BE356266A
BE356266A BE356266DA BE356266A BE 356266 A BE356266 A BE 356266A BE 356266D A BE356266D A BE 356266DA BE 356266 A BE356266 A BE 356266A
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 BE356266A publication Critical patent/BE356266A/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/60—Semi-automatic systems, i.e. in which the numerical selection of the outgoing line is under the control of an operator

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
BE356266D 1927-12-02 BE356266A (en))

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US301495XA 1927-12-02 1927-12-02

Publications (1)

Publication Number Publication Date
BE356266A true BE356266A (en))

Family

ID=21852776

Family Applications (1)

Application Number Title Priority Date Filing Date
BE356266D BE356266A (en)) 1927-12-02

Country Status (2)

Country Link
BE (1) BE356266A (en))
GB (1) GB301495A (en))

Also Published As

Publication number Publication date
GB301495A (en) 1930-02-12

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