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王春影

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一种轨枕预应力筋自动张拉装置

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Affilication of Author(s):应用技术学院

Teaching and Research Group:应用技术学院

Scope of patent:国内

School Sign:第一单位

Type of Patent:发明专利

State of Patent:专利授权

Application Number:2015108073147

Authorization number:2015108073147

Number of Inventors:4

Service Invention or Not:no

Application Date:2015-11-20

Authorization Date:2018-01-23

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