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Rubber bag hydraulic press monitoring process based immersed tube tunnel model testing device, has upper sand layer formed with water layer, where layers are utilized for monitoring true water environment. 专利
申请日期: 2016-01-01, 公开日期: 2016-05-04
作者:  GUO X WANG Z
收藏  |  浏览/下载:11/0  |  提交时间:2019/12/09
Replacement enhancement type immersed tube tunnel anti-water joint structure used in engineering testing field, has steel portion and high expand rubber block which are connected with omega water-stop belt. 专利
申请日期: 2015-01-01, 公开日期: 2015-05-20
作者:  GUO X TAN Y ZHANG Z WANG Z
收藏  |  浏览/下载:2/0  |  提交时间:2019/12/09
Molecular crystal optical element and its manufacture 专利
专利号: JP1984166922A, 申请日期: 1984-09-20, 公开日期: 1984-09-20
作者:  TERUI HIROSHI;  TOMARU AKIRA;  KOBAYASHI MORIO;  EDAHIRO TAKAO
收藏  |  浏览/下载:13/0  |  提交时间:2019/12/31


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