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Prefabricated concrete frame assembling full-dry column structure, has cross structure whose transverse part is fixed with beam element, steel plate formed with hole, and prefabricated beam connected with end part of ribbed precast column. 专利
申请日期: 2018-01-01, 公开日期: 2018-05-29
作者:  ZHANG X SHA S WU Z OU J
收藏  |  浏览/下载:7/0  |  提交时间:2019/12/02
Full-dry column structure for assembling prefabricated concrete frame structure, has reinforcing steel bar precast integral column node connected with prefabricated beam, and pre-column for keeping consistent with end part. 专利
申请日期: 2018-01-01, 公开日期: 2018-02-23
作者:  ZHANG X SHA S WU Z OU J
收藏  |  浏览/下载:3/0  |  提交时间:2019/12/02
一种井下采空区的充填方法以及充填系统 专利
作者:  彭康/周佳琦/胡忠强/沙鸥/纪永刚/赵杰/高红利/李啸/张静/尹旭岩[1]
收藏  |  浏览/下载:0/0  |  提交时间:2019/11/29


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