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Title:实时记录钻机钻头转速参数的装置
Institution:岩土与结构工程研究中心
Type of Patent:实用新型
Application Number:201020661197.0
Number of Inventors:1
Service Invention or Not:No
Application Date:2010-12-15
Publication Date:2011-07-06
Authorization Date:2011-07-06
Release Time:2019-04-15