Device for producing mechanical waves
Device for propelling a liquid projectile in a liquid medium wit
Device for receiving sound waves in a well
Device for reducing engine exhaust noise
Device for reducing jet engine exhaust noise using...
Device for reducing noise emissions
Device for reducing noise produced by automotive vehicle compone
Device for reducing static and dynamic pressures in pipelines, p
Device for reducing the emission of noise in buckle folding mach
Device for securing two or more seismic energy sources at fixed
Device for silencing the exhaust noise of internal combustion en
Device for simultaneous modulation and amplification of low freq
Device for talking underwater
Device for the attenuation of noise emission by the jet pipes of
Device for the fastening of covers or panels for the decoration
Device serving the noise control of sound energy radiated from t
Device to reduce the acoustical radiation from empty cans and co
Device with trace emission for treatment of exhaust gas
Devices for regulating pressure and flow pulses
Diaphragm