BE372056A - - Google Patents
Info
- Publication number
- BE372056A BE372056A BE372056DA BE372056A BE 372056 A BE372056 A BE 372056A BE 372056D A BE372056D A BE 372056DA BE 372056 A BE372056 A BE 372056A
- Authority
- BE
- Belgium
- Prior art keywords
- desc
- page number
- clms page
- clms
- page
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; 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
Landscapes
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
- Liquid Crystal Substances (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE372056A true BE372056A (online.php) |
Family
ID=43221
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE372056D BE372056A (online.php) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE372056A (online.php) |
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0
- BE BE372056D patent/BE372056A/fr unknown