DE147780C - - Google Patents

Info

Publication number
DE147780C
DE147780C DENDAT147780D DE147780DA DE147780C DE 147780 C DE147780 C DE 147780C DE NDAT147780 D DENDAT147780 D DE NDAT147780D DE 147780D A DE147780D A DE 147780DA DE 147780 C DE147780 C DE 147780C
Authority
DE
Germany
Prior art keywords
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Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
DENDAT147780D
Other languages
German (de)
English (en)
Publication of DE147780C publication Critical patent/DE147780C/de
Active legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M5/00Manual exchanges
    • H04M5/12Calling substations, e.g. by ringing

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Structure Of Telephone Exchanges (AREA)
DENDAT147780D Active DE147780C (en:Method)

Publications (1)

Publication Number Publication Date
DE147780C true DE147780C (en:Method)

Family

ID=414926

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT147780D Active DE147780C (en:Method)

Country Status (1)

Country Link
DE (1) DE147780C (en:Method)

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