中文Patents
横张预应力砼梁施工方法
2017-11-14 Hits:Type of Patent:发明
Service Invention or Not:no
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周志祥
Gender:Male
Type of Patent:发明
Service Invention or Not:no
Pre One:横张预应力砼空心板桥
Next One:预弯预应力柔性钢筋砼梁
周志祥