| 摘要 |
<p>Tubular radiant element (10) for industrial plants and the like, made of a metal material resistant to high temperatures, comprising at least one vertical tubular portion (12), optionally at least a curved tubular portion (14), provided with a surface (S), comprising at least one radiation and stiffening means (18) arranged on at least a portion of the surface (S) of the tubular radiant element (10).</p> |
