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  1. Optistep G/RPG Acoustical Systems LLC/2025-07-01

    Optistep G/RPG Acoustical Systems LLC/2025-07-01

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    Open the PDF · HPD 32608

    Expiration Date: 2028-07-01

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    A 1-dimensional stepped well sound diffusor with a unique design that does not rely on the traditional dividers between each stepped well; this unit has been designed to provide optimal diffusion bandwidth. Made of non-combustible glass…