DE193325C - - Google Patents

Info

Publication number
DE193325C
DE193325C DENDAT193325D DE193325DA DE193325C DE 193325 C DE193325 C DE 193325C DE NDAT193325 D DENDAT193325 D DE NDAT193325D DE 193325D A DE193325D A DE 193325DA DE 193325 C DE193325 C DE 193325C
Authority
DE
Germany
Prior art keywords
battery
line
office
units
main
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
DENDAT193325D
Other languages
German (de)
English (en)
Publication of DE193325C publication Critical patent/DE193325C/de
Active legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M9/00Arrangements for interconnection not involving centralised switching

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
DENDAT193325D Active DE193325C (forum.php)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE193325T

Publications (1)

Publication Number Publication Date
DE193325C true DE193325C (forum.php)

Family

ID=5738481

Family Applications (3)

Application Number Title Priority Date Filing Date
DENDAT193324D Active DE193324C (forum.php)
DENDAT193325D Active DE193325C (forum.php)
DENDAT187635D Active DE187635C (forum.php)

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DENDAT193324D Active DE193324C (forum.php)

Family Applications After (1)

Application Number Title Priority Date Filing Date
DENDAT187635D Active DE187635C (forum.php)

Country Status (1)

Country Link
DE (3) DE187635C (forum.php)

Also Published As

Publication number Publication date
DE193324C (forum.php)
DE187635C (forum.php)

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