FR645694A - Contact box specially designed for fire alarm stations - Google Patents

Contact box specially designed for fire alarm stations

Info

Publication number
FR645694A
FR645694A FR645694DA FR645694A FR 645694 A FR645694 A FR 645694A FR 645694D A FR645694D A FR 645694DA FR 645694 A FR645694 A FR 645694A
Authority
FR
France
Prior art keywords
specially designed
fire alarm
contact box
alarm stations
box specially
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
Paul Gerst
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 FR645694A publication Critical patent/FR645694A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00—Fire alarms; Alarms responsive to explosion
    • G08B17/06—Electric actuation of the alarm, e.g. using a thermally-operated switch

Landscapes

  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fuses (AREA)
FR645694D 1927-11-17 1927-11-21 Contact box specially designed for fire alarm stations Expired FR645694A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1747068X 1927-11-17

Publications (1)

Publication Number Publication Date
FR645694A true FR645694A (en) 1928-10-30

Family

ID=4566116

Family Applications (1)

Application Number Title Priority Date Filing Date
FR645694D Expired FR645694A (en) 1927-11-17 1927-11-21 Contact box specially designed for fire alarm stations

Country Status (2)

Country Link
US (1) US1747068A (en)
FR (1) FR645694A (en)

Also Published As

Publication number Publication date
US1747068A (en) 1930-02-11

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