2
[ spray-on vibration-resisting coatings to be applied to the surfaces of vehicles ]
6
[ Sound-absorbing rail sections consisting mainly of metal; hardware for use in machines and vehicles, namely elastic springs, multi-layer springs for noise and shock absorption, draw hook springs, and volute springs ]
7
[ Noise mufflers for use in vehicles and machines; tubular bodies with a sound-absorbing lining for use in vehicles and machines; elastic motor, engine, and machine bearings and hydro-bearings for noise absorption and vibration isolation made of a metal-elastomer compound; shock absorbers for machines, namely, pneumatic springs and shock-absorbing legs in the nature of cushions, machine parts, namely vibration-attenuating compensators ]
9
[ Electronic systems for noise reduction comprising transmitters for sound signals released in antiphase in noise-polluted rooms; electronic systems for vibration reduction comprising transmitters for sound signals triggered in antiphase in elastic bedding of engines and motors, electric voltage compensators ]
12
[ Vehicle parts, namely, shock-absorbing legs and pneumatic springs in the nature of cushions; ] components of motorized vehicles, namely, turbine inlet casings, gear box casings, tire casings and engine casings; and auto parts, namely vibration attenuating compensators
27
WORKED AND PLAIN CARPETS FOR VEHICLES WITH HEAVY LAYERS OF HIGH OR LOW FLEXURAL STRENGTH AND INTEGRATED FOAMED MATERIALS FOR NOISE REDUCTION
42
[ Technical consulting, research, and materials testing in the field of noise reduction ]