Branch take-off and silencer for an air distribution system
Branch take-off and silencer for an air distribution system
Broad band acoustic attenuator
Broad band low frequency passive muffler
Broadband noise resonator
Bubble noise reduction
Bubble silencer for an underwater voice communicator
Built-in vacuum cleaning system with improved acoustic damping d
Bulk acoustic absorber panels for use in high speed gas flow env
Bumper/muffler assembly
Bypass muffler