FR1169911A - Portable alarm signal - Google Patents

Portable alarm signal

Info

Publication number
FR1169911A
FR1169911A FR1169911DA FR1169911A FR 1169911 A FR1169911 A FR 1169911A FR 1169911D A FR1169911D A FR 1169911DA FR 1169911 A FR1169911 A FR 1169911A
Authority
FR
France
Prior art keywords
alarm signal
portable alarm
portable
signal
alarm
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
Heliodore-Leon-Gilbe Maria
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 FR1169911A publication Critical patent/FR1169911A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K5/00—Whistles

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
FR1169911D 1957-03-21 1957-03-21 Portable alarm signal Expired FR1169911A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1169911T 1957-03-21

Publications (1)

Publication Number Publication Date
FR1169911A true FR1169911A (en) 1959-01-07

Family

ID=9656793

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1169911D Expired FR1169911A (en) 1957-03-21 1957-03-21 Portable alarm signal

Country Status (1)

Country Link
FR (1) FR1169911A (en)

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