| 摘要 |
PROBLEM TO BE SOLVED: To provide a door for a passage which is excellent in weather resistance and used particularly as a door for inspection in an in-box passage of a bridge part of a box girder bridge. SOLUTION: The door for the passage excellent in weather resistance has at least one surface layer part constituted of a reinforced resin, and the portion constituted of the reinforced resin is formed by an SMC method and/or an HU method.
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