Sound-absorbing covering, especially radiator covering for motor
Sound-absorbing device, especially for damping of noises expandi
Sound-absorbing duct structure
Sound-attenuating discharge apparatus for a packaged terminal ai
Sound-attenuating muffler for exhaust gases
Sound-attenuating muffler for internal combustion engine
Sound-attenuating muffler having reduced back pressure
Sound-attenuating ventilation
Sound-deadened motor vehicle exhaust manifold
Sound-insulated flow duct and process for the manufacture thereo
Sound-muffling system
Sound-proofing casing for a pneumatic percussive drill
Sound-suppressing structure with thermal relief
Soundproofed conduit to discharge fumes
Soundproofing for a gas pipe, in particular for the fan jet of a
Spark arrester for an exhaust unit of a vehicle
Spark arrester with spark filter
Spark arresting muffler with exhaust path parallel to...
Spark arresting structure for a muffler having a catalytic conve
Spun extrusion side entry muffler