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Pier top steel cover beam add bridge broadening structure, has steel cover beam connected with pre-stressed anchor rib, and steel box beam material concrete box located on steel beam upper cover. 专利
申请日期: 2016-01-01, 公开日期: 2016-06-15
作者:  LI W WANG Q ZHANG Z QI W
收藏  |  浏览/下载:7/0  |  提交时间:2019/12/09
Variable angle inclined impact testing clamp of thin wall pipe, has clamping frame which comprises installation hole corresponding to round through hole at four corners so as to be fixed on rotary plate through bolt. 专利
申请日期: 2016-01-01, 公开日期: 2016-04-20
作者:  LI Q LIU W PEI L SUN Y YANG S QI C
收藏  |  浏览/下载:1/0  |  提交时间:2019/12/09


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