FR548471A - Poste téléphonique portatif - Google Patents

Poste téléphonique portatif

Info

Publication number
FR548471A
FR548471A FR548471DA FR548471A FR 548471 A FR548471 A FR 548471A FR 548471D A FR548471D A FR 548471DA FR 548471 A FR548471 A FR 548471A
Authority
FR
France
Prior art keywords
portable telephone
telephone set
portable
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
English (en)
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.)
D INSTR DE PREC ET DYNAMO PHAR
Original Assignee
D INSTR DE PREC ET DYNAMO PHAR
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 D INSTR DE PREC ET DYNAMO PHAR filed Critical D INSTR DE PREC ET DYNAMO PHAR
Application granted granted Critical
Publication of FR548471A publication Critical patent/FR548471A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/18—Telephone sets specially adapted for use in ships, mines, or other places exposed to adverse environment

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
FR548471D 1921-06-27 1921-06-27 Poste téléphonique portatif Expired FR548471A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR548471T 1921-06-27

Publications (1)

Publication Number Publication Date
FR548471A true FR548471A (fr) 1923-01-16

Family

ID=8934854

Family Applications (1)

Application Number Title Priority Date Filing Date
FR548471D Expired FR548471A (fr) 1921-06-27 1921-06-27 Poste téléphonique portatif

Country Status (1)

Country Link
FR (1) FR548471A (fr)

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