BE456819A - - Google Patents
Info
- Publication number
- BE456819A BE456819A BE456819DA BE456819A BE 456819 A BE456819 A BE 456819A BE 456819D A BE456819D A BE 456819DA BE 456819 A BE456819 A BE 456819A
- Authority
- BE
- Belgium
- Prior art keywords
- emi
- beneficiary
- Prior art date
Links
Classifications
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- 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
- G10K5/02—Ultrasonic whistles
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Publications (1)
Publication Number | Publication Date |
---|---|
BE456819A true BE456819A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Family
ID=110398
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE456819D BE456819A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Country Status (1)
Country | Link |
---|---|
BE (1) | BE456819A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
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0
- BE BE456819D patent/BE456819A/fr unknown