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2009
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Invention
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Steel-concrete composite beam and construction method using same.
A steel-concrete composite bea... |
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Invention
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Steel-concrete composite beam and construction method using same. The present invention relates t... |
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|
Invention
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Stiffener for connecting prestressed concrete beam and method of constructing structure using the... |
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|
Invention
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Strengthening member for reinforced concrete beam end coupling, and a structural-element construc... |
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2008
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Invention
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Composite concrete column and construction method using the same. A composite concrete column com... |
