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Soundproofing panel for acoustic barriers
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Attenuation curve of soundproofing panel for acoustic barriers can be adjusted during manufacture
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Acoustic insulating panel
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Metallic guardrail barrier for absorbing colliding vehicle impact - has sustaining post with extending metallic spacing member secured at one side plasticisable under impelling loads
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Damped and guided support device for road safety barriers
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Device for the dissipation of energy derived from seismic events
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Elastic reinforced assemblable joint for road or railway bridge girders, having an offset opposing comb configuration
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