DE131619C - - Google Patents

Info

Publication number
DE131619C
DE131619C DENDAT131619D DE131619DA DE131619C DE 131619 C DE131619 C DE 131619C DE NDAT131619 D DENDAT131619 D DE NDAT131619D DE 131619D A DE131619D A DE 131619DA DE 131619 C DE131619 C DE 131619C
Authority
DE
Germany
Prior art keywords
plug
battery
earth
relay
line
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
DENDAT131619D
Other languages
German (de)
English (en)
Publication of DE131619C publication Critical patent/DE131619C/de
Active legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M5/00—Manual exchanges
    • H04M5/04—Arrangements for indicating calls or supervising connections for calling or clearing

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
DENDAT131619D Active DE131619C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Publications (1)

Publication Number Publication Date
DE131619C true DE131619C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Family

ID=399938

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT131619D Active DE131619C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Country Status (1)

Country Link
DE (1) DE131619C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

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