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High-compatibility soluble glass modified polyurethane grouting material and preparation method thereof 专利
申请日期: 2016-01-01,
作者:  MIAO JIBIN;  YANG BIN;  CHENG HUA;  FANG CHAO;  ZHENG ZHENGZHI
收藏  |  浏览/下载:10/0  |  提交时间:2019/04/19
Beta-glucosaccharase mutant, recombinant expression plasmid thereof and transformed engineering strain 专利
申请日期: 2015-01-01,
作者:  YANG YANG;  FANG WEI;  HE CHAO;  ZHANG XUECHENG;  XIAO YAZHONG
收藏  |  浏览/下载:4/0  |  提交时间:2019/04/19
Microporous polyurethane elastomer shock absorption element for high-speed railway and preparation method thereof 专利
申请日期: 2011-01-01,
作者:  WENCAI JIANG;  CHAO WU;  MINGYUAN WU;  QINGYUN WU;  JIAGAN SUN
收藏  |  浏览/下载:2/0  |  提交时间:2019/04/19


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