Foldable coupling frame for moving precast concrete structures with unstable self-standing
The present invention provides a collapsible coupling frame, which comprises: a variable frame structure which is variable from the first width to the second width; and a fixed frame structure which supports PC (precast concrete) columns and PC lattice beams, and is fixed to the second width. 본 발명은,...
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Sprache: | eng ; kor |
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