FR26989E - Appareil de sauvegarde portatif - Google Patents

Appareil de sauvegarde portatif

Info

Publication number
FR26989E
FR26989E FR26989DA FR26989E FR 26989 E FR26989 E FR 26989E FR 26989D A FR26989D A FR 26989DA FR 26989 E FR26989 E FR 26989E
Authority
FR
France
Prior art keywords
backup device
portable backup
portable
backup
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
Fernand-Martin Bloch
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 FR26989E publication Critical patent/FR26989E/fr
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
    • G10K9/00—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
FR26989D 1922-09-23 1922-09-23 Appareil de sauvegarde portatif Expired FR26989E (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR26989T 1922-09-23

Publications (1)

Publication Number Publication Date
FR26989E true FR26989E (fr) 1924-03-20

Family

ID=8665354

Family Applications (1)

Application Number Title Priority Date Filing Date
FR26989D Expired FR26989E (fr) 1922-09-23 1922-09-23 Appareil de sauvegarde portatif

Country Status (1)

Country Link
FR (1) FR26989E (fr)

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