FR854541A - - Google Patents

Info

Publication number
FR854541A
FR854541A FR854541DA FR854541A FR 854541 A FR854541 A FR 854541A FR 854541D A FR854541D A FR 854541DA FR 854541 A FR854541 A FR 854541A
Authority
FR
France
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)
Publication date
Application granted granted Critical
Publication of FR854541A publication Critical patent/FR854541A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B27/00—Alarm systems in which the alarm condition is signalled from a central station to a plurality of substations

Landscapes

  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR854541D Expired FR854541A (cg-RX-API-DMAC7.html)

Publications (1)

Publication Number Publication Date
FR854541A true FR854541A (cg-RX-API-DMAC7.html) 1940-04-16

Family

ID=1555066

Family Applications (1)

Application Number Title Priority Date Filing Date
FR854541D Expired FR854541A (cg-RX-API-DMAC7.html)

Country Status (1)

Country Link
FR (1) FR854541A (cg-RX-API-DMAC7.html)

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