DISPOSITIVO DI TRASMISSIONE E DI CONCENTRAZIONE DI ONDE ACUSTICHE

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Bibliographic Details
Main Author	BUIS H
Format	Patent
Language	Italian
Published	20.11.1978
Subjects	ACOUSTICS ACOUSTICS NOT OTHERWISE PROVIDED FOR METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING,NOISE OR OTHER ACOUSTIC WAVES IN GENERAL MUSICAL INSTRUMENTS PHYSICS SOUND-PRODUCING DEVICES
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Bibliography:	Application Number: IT19750067034