APPARATUS FOR NATURAL VENTILATION OF A ROOM HAVING A VENTILATION PASSAGE COMBINED WITH A NOISE ABSORBER
- Application ID: EP16809959
- Status: █ Request for examination was made
This EP application has the IPC combination F24 (HEATING; RANGES; VENTILATING) and G10 (MUSICAL INSTRUMENTS; ACOUSTICS). Cabinet Roman is specialized in the combination F24 and G10. We found, that Kehl Ascherl Liebhoff & Ettmayr, IXAS Conseil are specialized in all of these IPC classes as well. For a similar patent, they might be a good choice.