FR832731A - Sirène - Google Patents

Sirène

Info

Publication number
FR832731A
FR832731A FR832731DA FR832731A FR 832731 A FR832731 A FR 832731A FR 832731D A FR832731D A FR 832731DA FR 832731 A FR832731 A FR 832731A
Authority
FR
France
Prior art keywords
mermaid
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.)
HELIN HAGENER ELEK ZITATS IND
Original Assignee
HELIN HAGENER ELEK ZITATS IND
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 HELIN HAGENER ELEK ZITATS IND filed Critical HELIN HAGENER ELEK ZITATS IND
Application granted granted Critical
Publication of FR832731A publication Critical patent/FR832731A/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
    • G10K7/00—Sirens
    • G10K7/02—Sirens in which the sound-producing member is rotated manually or by a motor
    • G10K7/04—Sirens in which the sound-producing member is rotated manually or by a motor by an electric motor

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
FR832731D 1938-01-28 1938-01-28 Sirène Expired FR832731A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR832731T 1938-01-28

Publications (1)

Publication Number Publication Date
FR832731A true FR832731A (fr) 1938-10-03

Family

ID=9296150

Family Applications (1)

Application Number Title Priority Date Filing Date
FR832731D Expired FR832731A (fr) 1938-01-28 1938-01-28 Sirène

Country Status (1)

Country Link
FR (1) FR832731A (fr)

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