DE157932C - - Google Patents

Info

Publication number
DE157932C
DE157932C DENDAT157932D DE157932DA DE157932C DE 157932 C DE157932 C DE 157932C DE NDAT157932 D DENDAT157932 D DE NDAT157932D DE 157932D A DE157932D A DE 157932DA DE 157932 C DE157932 C DE 157932C
Authority
DE
Germany
Prior art keywords
battery
call
plug
relay
call relay
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
DENDAT157932D
Other languages
German (de)
English (en)
Publication of DE157932C publication Critical patent/DE157932C/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)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
DENDAT157932D Active DE157932C (enExample)

Publications (1)

Publication Number Publication Date
DE157932C true DE157932C (enExample)

Family

ID=424155

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT157932D Active DE157932C (enExample)

Country Status (1)

Country Link
DE (1) DE157932C (enExample)

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