FR499535A - Mermaid refinements - Google Patents
Mermaid refinementsInfo
- Publication number
- FR499535A FR499535A FR499535DA FR499535A FR 499535 A FR499535 A FR 499535A FR 499535D A FR499535D A FR 499535DA FR 499535 A FR499535 A FR 499535A
- Authority
- FR
- France
- Prior art keywords
- mermaid
- refinements
- mermaid refinements
- 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
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR499535T | 1919-02-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR499535A true FR499535A (en) | 1920-02-13 |
Family
ID=1534563
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR499535D Expired FR499535A (en) | 1919-02-27 | 1919-02-27 | Mermaid refinements |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR499535A (en) |
-
1919
- 1919-02-27 FR FR499535D patent/FR499535A/en not_active Expired
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