FR1014075A - Installation de téléphone interne - Google Patents

Installation de téléphone interne

Info

Publication number
FR1014075A
FR1014075A FR1014075DA FR1014075A FR 1014075 A FR1014075 A FR 1014075A FR 1014075D A FR1014075D A FR 1014075DA FR 1014075 A FR1014075 A FR 1014075A
Authority
FR
France
Prior art keywords
internal telephone
telephone installation
installation
internal
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)
Inventor
Jean Dousche
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 filed Critical
Application granted granted Critical
Publication of FR1014075A publication Critical patent/FR1014075A/fr
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
    • H04M9/001—Two-way communication systems between a limited number of parties

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
FR1014075D 1949-03-08 1950-03-08 Installation de téléphone interne Expired FR1014075A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1014075X 1949-03-08

Publications (1)

Publication Number Publication Date
FR1014075A true FR1014075A (fr) 1952-08-08

Family

ID=4552622

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1014075D Expired FR1014075A (fr) 1949-03-08 1950-03-08 Installation de téléphone interne

Country Status (1)

Country Link
FR (1) FR1014075A (fr)

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