Title:基于随钻测试与地化特征分析的隧道围岩分级系统及方法
Type of Patent:Invent
Application Number:202111335187.7
Number of Inventors:3
Service Invention or Not:No
Application Date:2021-11-11
Publication Date:2024-02-20
Authorization Date:2024-02-20
Release Time:2024-05-22