FR545352A - Advanced training in central battery telephone multiples - Google Patents

Advanced training in central battery telephone multiples

Info

Publication number
FR545352A
FR545352A FR545352DA FR545352A FR 545352 A FR545352 A FR 545352A FR 545352D A FR545352D A FR 545352DA FR 545352 A FR545352 A FR 545352A
Authority
FR
France
Prior art keywords
multiples
central battery
advanced training
battery telephone
telephone
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.)
TELEPHONES MILDE SOC D
Original Assignee
TELEPHONES MILDE SOC D
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 TELEPHONES MILDE SOC D filed Critical TELEPHONES MILDE SOC D
Application granted granted Critical
Publication of FR545352A publication Critical patent/FR545352A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
FR545352D 1921-12-29 1921-12-29 Advanced training in central battery telephone multiples Expired FR545352A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR545352T 1921-12-29

Publications (1)

Publication Number Publication Date
FR545352A true FR545352A (en) 1922-10-10

Family

ID=8932902

Family Applications (1)

Application Number Title Priority Date Filing Date
FR545352D Expired FR545352A (en) 1921-12-29 1921-12-29 Advanced training in central battery telephone multiples

Country Status (1)

Country Link
FR (1) FR545352A (en)

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