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  2013, Vol. 31 Issue (4): 49-53    DOI: 10.3981/j.issn.1000-7857.2013.04.007
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Detection of Grouting Defects in Prestressed Bridge Duct
SU Haitao, YANG Jing, ZHANG Sen
Institute of Science and Technology of Yunnan Province Highway, Kunming 650051, China

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