刘清秉

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Patents

王菁莪; 刘清秉; 崔德山; 程超杰; 黄伟; 项伟,非饱和土抗拉强度测试装置及测试方法,2019.1.15,中国, ZL201610814003.8
2024-02-19  Hits:

Service Invention or Not:no

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