FR1069271A - Dispositif à double signalisation - Google Patents

Dispositif à double signalisation

Info

Publication number
FR1069271A
FR1069271A FR1069271DA FR1069271A FR 1069271 A FR1069271 A FR 1069271A FR 1069271D A FR1069271D A FR 1069271DA FR 1069271 A FR1069271 A FR 1069271A
Authority
FR
France
Prior art keywords
signaling device
dual signaling
dual
signaling
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
Edmond Ventre
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.)
Electricite de France SA
Original Assignee
Electricite de France SA
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 Electricite de France SA filed Critical Electricite de France SA
Application granted granted Critical
Publication of FR1069271A publication Critical patent/FR1069271A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B23/00—Alarms responsive to unspecified undesired or abnormal conditions

Landscapes

  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR1069271D 1952-12-30 1952-12-30 Dispositif à double signalisation Expired FR1069271A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1069271T 1952-12-30

Publications (1)

Publication Number Publication Date
FR1069271A true FR1069271A (fr) 1954-07-06

Family

ID=9604165

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1069271D Expired FR1069271A (fr) 1952-12-30 1952-12-30 Dispositif à double signalisation

Country Status (1)

Country Link
FR (1) FR1069271A (fr)

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