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FIREPROOF ROLLER SHUTTERS AND METHOD FOR PRODUCING A FIREPROOF ROLLER SHUTTER
FIREPROOF ROLLER SHUTTERS AND METHOD FOR PRODUCING A FIREPROOF ROLLER SHUTTER
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机译:防火卷帘快门和生产防火卷帘快门的方法
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摘要
The invention relates to a fireproof roller shutter comprising a shutter box and a shutter curtain that can be rolled up into said box, the curtain comprising a large number of hollow-profile elements that are interconnected in a hinged manner. The box and the profile elements are configured from a flame-resistant sheet metal and the profile elements are at least partially filled with a material that is at least flame-retardant and is a poor thermal conductor.
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