Double-walled structure and method and arrangement for producing
Double-walled tail pipe for an exhaust pipe of a motor...
Draining device for muffler of small planing boat
Draining device used in a car-muffler
Dry cooled jet aircraft runup noise suppression system
Dual cross-flow muffler
Dual entry plug muffler
Dual flow turbine engine muffler
Dual frequency side branch resonator
Duct and process for producing the same
Duct for reducing shock related noise
Duct silencer
Duct wall structure
Ductless acoustical noise attenuator
Easily controlled exhaust pipe
Eccentric exhaust muffler for use with auxiliary power units
Economical exhaust muffler system for a marine propulsion...
Ejector muffler
Elbow silencer
Electrically controlled in-muffler exhaust valve for use...