| 摘要 |
PROBLEM TO BE SOLVED: To provide a pipe metal fitting for a construction standing signboard capable of facilitating installation of a working lamp, a rotating lamp, a signal lamp and the like to the construction standing signboard. SOLUTION: A plate 3 with a hole 4 is attached to a round pipe 1, and the round pipe 1 and the plate 3 are reinforced by means of a reinforcing rod 2. |
