FR1002436A - Improvements to telephone devices - Google Patents

Improvements to telephone devices

Info

Publication number
FR1002436A
FR1002436A FR1002436DA FR1002436A FR 1002436 A FR1002436 A FR 1002436A FR 1002436D A FR1002436D A FR 1002436DA FR 1002436 A FR1002436 A FR 1002436A
Authority
FR
France
Prior art keywords
telephone devices
telephone
devices
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)
Inventor
Andre Desnault
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 FR1002436A publication Critical patent/FR1002436A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/02Constructional features of telephone sets
    • H04M1/04Supports for telephone transmitters or receivers
FR1002436D 1946-09-30 1946-09-30 Improvements to telephone devices Expired FR1002436A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1002436T 1946-09-30

Publications (1)

Publication Number Publication Date
FR1002436A true FR1002436A (en) 1952-03-06

Family

ID=9562165

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1002436D Expired FR1002436A (en) 1946-09-30 1946-09-30 Improvements to telephone devices

Country Status (1)

Country Link
FR (1) FR1002436A (en)

Similar Documents

Publication Publication Date Title
FR974801A (en) Improvements to dispensing devices
FR933208A (en) Improvements to vibratory devices
FR943335A (en) Improvements to switching devices
FR943970A (en) Improvements to sedimentation devices
FR941004A (en) Improvements to telephone sets
FR941246A (en) Improvements to telephone sets
FR949410A (en) Improvements to blasting devices
FR57031E (en) Improvements to projection devices
FR988473A (en) Improvements to metallization devices
FR922679A (en) Improvements to telephone devices
FR1002436A (en) Improvements to telephone devices
FR937389A (en) Improvements to telephone devices
FR926441A (en) Improvements to advertising devices
FR930799A (en) Improvements to intercom type devices
FR1005401A (en) Improvements to telephone devices
FR944388A (en) Improvements to settling devices
FR949148A (en) Improvements to drawing devices
FR922827A (en) Improvements to cinematographic devices
FR936557A (en) Development of telephone devices
FR941514A (en) Improvements relating to indicating devices
FR954095A (en) Improvements to direction-finding devices
FR928967A (en) Improvements to drying devices
FR924591A (en) Improvements to vibration devices
FR937814A (en) Improvements to entertainment devices
FR952595A (en) Improvements to instruments and telephone devices