| 摘要 |
A support for construction is provided to make the adjustment of length in comparison with existing support. A support for construction comprises first and second support stand(10,20) which are sliding combined to each other, binding position fixing means controlling the binding position of first and second support stand, a secondary support(30) combined to the combining means. The combining means the flange in which the external diameter is expanded is formed in one side of the backing support. A extrusion fixed bar protruded to the longitudinal direction of the backing support from flange is formed to be inserted in on or more end part of first and second support stand.
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