| 摘要 |
<P>PROBLEM TO BE SOLVED: To configure a wall, a floor or a roof having a steel construction improved in fire-resistive performance while simplifying a configuration. Ž<P>SOLUTION: Fire preventive and resistive performance is improved by configuring a fire-resistive covering as the wall or the floor or the roof including a structure skeleton and other sections. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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