| 摘要 |
PROBLEM TO BE SOLVED: To provide an unevenness correcting device which can enhance workability, and can adapt even to an H-shaped existing column and a plumbing column. SOLUTION: When a protrusive-direction end of the second erection piece 20 is pressed by an adjusting bolt (an external thread member) 62, screwed into a threaded hole 54, in a state in which a fixing part 24 is fixed to the first erection piece 18 of the existing column 12, the plumbing column 14 is displaced in a direction parallel to the protrusive direction of the piece 20.
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