FR615718A - - Google Patents

Info

Publication number
FR615718A
FR615718A FR615718DA FR615718A FR 615718 A FR615718 A FR 615718A FR 615718D A FR615718D A FR 615718DA FR 615718 A FR615718 A FR 615718A
Authority
FR
France
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.)
Expired
Application number
Other languages
French (fr)
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 date
Application granted granted Critical
Publication of FR615718A publication Critical patent/FR615718A/fr
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q3/00Selecting arrangements
    • H04Q3/0016Arrangements providing connection between exchanges

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Interface Circuits In Exchanges (AREA)
FR615718D 1925-07-08 Expired FR615718A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1205525A GB263596A (en) 1925-07-08 1925-07-08 Improvements in automatic telephone systems

Publications (1)

Publication Number Publication Date
FR615718A true FR615718A (enrdf_load_stackoverflow) 1927-01-14

Family

ID=9997599

Family Applications (1)

Application Number Title Priority Date Filing Date
FR615718D Expired FR615718A (enrdf_load_stackoverflow) 1925-07-08

Country Status (2)

Country Link
FR (1) FR615718A (enrdf_load_stackoverflow)
GB (1) GB263596A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
GB263596A (en) 1927-01-10

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