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About dampers for industrial sector

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Designs 1221-DOW and 1221-OW are "outside of wall" significant effectiveness mix fire/smoke damper precisely created for purposes in which the damper cannot be put in inside the plane with the wall or floor. They characteristics Nailor’s distinctive inter-locking double skin airfoil blade structure that removes combustible seals and delivers flame and smoke seal https://heavydutystainlesssteelda13355.atualblog.com/43290525/a-review-of-dampers-for-industrial-sector

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