Back-fire resistant lock seam for muffler shells
Baffle
Baffle equipped with flap assembly
Baffle for sound suppression
Baffle plate of discharge muffler for hermetic reciprocating...
Bellows type exhaust tube
Blowdown and venting jet noise suppressor
Blower noise silencer
Blower pipe with silencer
Boiler noise suppressor
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 silencer for an underwater voice communicator
Built-in vacuum cleaning system with improved acoustic damping d
Bumper/muffler assembly
Bypass muffler