FR34551E - - Google Patents
Info
- Publication number
- FR34551E FR34551E FR34551DA FR34551E FR 34551 E FR34551 E FR 34551E FR 34551D A FR34551D A FR 34551DA FR 34551 E FR34551 E FR 34551E
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
- H04R7/12—Non-planar diaphragms or cones
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR644277T | 1927-05-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR34551E true FR34551E (en) | 1929-09-16 |
Family
ID=9000055
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR34551D Expired FR34551E (en) | 1927-05-02 | ||
| FR644277D Expired FR644277A (en) | 1927-05-02 | 1927-05-02 | Improvements to bran breeders |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR644277D Expired FR644277A (en) | 1927-05-02 | 1927-05-02 | Improvements to bran breeders |
Country Status (1)
| Country | Link |
|---|---|
| FR (2) | FR644277A (en) |
-
0
- FR FR34551D patent/FR34551E/fr not_active Expired
-
1927
- 1927-05-02 FR FR644277D patent/FR644277A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR644277A (en) | 1928-10-05 |