FR577877A - - Google Patents
Info
- Publication number
- FR577877A FR577877A FR577877DA FR577877A FR 577877 A FR577877 A FR 577877A FR 577877D A FR577877D A FR 577877DA FR 577877 A FR577877 A FR 577877A
- Authority
- FR
- France
- 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
- G10K13/00—Cones, diaphragms, or the like, for emitting or receiving sound in general
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR577877A true FR577877A (online.php) | 1924-08-12 |
Family
ID=1539458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR577877D Expired FR577877A (online.php) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR577877A (online.php) |
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0
- FR FR577877D patent/FR577877A/fr not_active Expired