FR342959A - Sifflet à hélices latérales - Google Patents
Sifflet à hélices latéralesInfo
- Publication number
- FR342959A FR342959A FR342959DA FR342959A FR 342959 A FR342959 A FR 342959A FR 342959D A FR342959D A FR 342959DA FR 342959 A FR342959 A FR 342959A
- Authority
- FR
- France
- Prior art keywords
- whistle
- side propeller
- propeller
- propeller whistle
- 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
- G10K5/00—Whistles
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR342959T | 1904-04-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR342959A true FR342959A (fr) | 1904-09-22 |
Family
ID=1391927
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR342959D Expired FR342959A (fr) | 1904-04-28 | 1904-04-28 | Sifflet à hélices latérales |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR342959A (fr) |
-
1904
- 1904-04-28 FR FR342959D patent/FR342959A/fr not_active Expired
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