|
This is a patent for the method of improving acoustical qualities of surfaces enclosing space volumes and for the special device for realizing this method. This patent is registered in the Russian Federation State Registry of Inventions (№ 2409727 dated 20/01/2011)
|
Harmony and beauty of sound
Advancing onto the world market of acoustical services an absolutely new and unique technology of acoustical improvement and design.
 |
 |
 |
 |
 |