FR1160788A - Dispositif d'avertissement acoustique - Google Patents

Dispositif d'avertissement acoustique

Info

Publication number
FR1160788A
FR1160788A FR1160788DA FR1160788A FR 1160788 A FR1160788 A FR 1160788A FR 1160788D A FR1160788D A FR 1160788DA FR 1160788 A FR1160788 A FR 1160788A
Authority
FR
France
Prior art keywords
warning device
acoustic warning
acoustic
warning
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)
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.)
Svenska AB Gasaccumulator
Original Assignee
Svenska AB Gasaccumulator
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 Svenska AB Gasaccumulator filed Critical Svenska AB Gasaccumulator
Application granted granted Critical
Publication of FR1160788A publication Critical patent/FR1160788A/fr
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10KSOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K5/00Whistles
FR1160788D 1955-10-13 1956-10-05 Dispositif d'avertissement acoustique Expired FR1160788A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1160788X 1955-10-13

Publications (1)

Publication Number Publication Date
FR1160788A true FR1160788A (fr) 1958-08-05

Family

ID=7728392

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1160788D Expired FR1160788A (fr) 1955-10-13 1956-10-05 Dispositif d'avertissement acoustique

Country Status (1)

Country Link
FR (1) FR1160788A (fr)

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