BE397026A - - Google Patents
Info
- Publication number
- BE397026A BE397026A BE397026DA BE397026A BE 397026 A BE397026 A BE 397026A BE 397026D A BE397026D A BE 397026DA BE 397026 A BE397026 A BE 397026A
- Authority
- BE
- Belgium
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
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/12—Sanitary or hygienic devices for mouthpieces or earpieces, e.g. for protecting against infection
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT754710X | 1932-08-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE397026A true BE397026A (xx) |
Family
ID=11315755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE397026D BE397026A (xx) | 1932-08-20 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE397026A (xx) |
| FR (1) | FR754710A (xx) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2437825A1 (fr) * | 1978-10-03 | 1980-04-30 | Celatose Sa | Protecteur destine a etre intercalle entre l'oreille et un organe tel qu'une oreillette ou un ecouteur |
| WO1989006479A1 (en) * | 1988-01-06 | 1989-07-13 | Ian Daniel Mcginn | Hygienic covers for telephones |
-
0
- BE BE397026D patent/BE397026A/xx unknown
-
1933
- 1933-04-25 FR FR754710D patent/FR754710A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR754710A (fr) | 1933-11-13 |