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一种用于高风压风枪清孔的定向排水排渣装置及方法

Release Time:2021-05-19 Hits:

Title:一种用于高风压风枪清孔的定向排水排渣装置及方法
Institution:岩土与结构工程研究中心
Type of Patent:发明
Number of Inventors:1
Service Invention or Not:No
Application Date:2019-04-30
Release Time:2021-05-19