Percussion instrument for games with a percussively or impact-moved play body
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Structural element for buildings, building extensions and similar, and corresponding manufacturing method
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Racket for the application of tennis balls and similar playing bodies
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Stick for hockey or similar games involves hitting part in direct contact with puck or ball, and has resonant and oscillating surfaces
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Sound box for the development or emission or reflection or damping of acoustic oscillations has structured successive zones in the depth of the box along arithmetical rows
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Sliding bodies, especially skis or skids
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VIBRATION AND / OR REFLECTION-RESISTANT SOLID BODY FOR DEVICES AND DEVICES FOR PRODUCTION, RADIATION, DISTRIBUTION OR DISTRIBUTION REDIRECTION OF SOUND VIBRATIONS
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VIBRATION BODY, IN PARTICULAR RESONANCE BODY, FOR SOUND GENERATING DEVICES AND DEVICES
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Vibratable member, in particular a resonant body for sound-producing devices
