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FR704588A - Switching device for telephone systems - Google Patents

Switching device for telephone systems

Info

Publication number
FR704588A
FR704588A FR704588DA FR704588A FR 704588 A FR704588 A FR 704588A FR 704588D A FR704588D A FR 704588DA FR 704588 A FR704588 A FR 704588A
Authority
FR
France
Prior art keywords
switching device
telephone systems
telephone
systems
switching
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.)
Expired
Application number
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fuld & Co Telephon
Original Assignee
Fuld & Co Telephon
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.)
Filing date
Publication date
Application filed by Fuld & Co Telephon filed Critical Fuld & Co Telephon
Application granted granted Critical
Publication of FR704588A publication Critical patent/FR704588A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
FR704588D 1929-09-25 1930-09-24 Switching device for telephone systems Expired FR704588A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE704588X 1929-09-25

Publications (1)

Publication Number Publication Date
FR704588A true FR704588A (en) 1931-05-22

Family

ID=6616341

Family Applications (1)

Application Number Title Priority Date Filing Date
FR704588D Expired FR704588A (en) 1929-09-25 1930-09-24 Switching device for telephone systems

Country Status (1)

Country Link
FR (1) FR704588A (en)

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