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Title:隧道或坑道超前地质预报复合式激发极化仪器设备
Institution:岩土与地下工程研究院
Type of Patent:Utility models
Application Number:201120014773.7
Number of Inventors:1
Service Invention or Not:No
Application Date:2011-01-18
Publication Date:2011-07-27
Authorization Date:2011-07-27
Release Time:2019-04-15