Title : 一种用于塌孔的处置装置及使用方法
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Title:一种用于塌孔的处置装置及使用方法
Affilication of Author(s):岩土与结构工程研究中心
Patent Applicant:shishaoshuai,yangweimin
Type of Patent:发明
Application Number:201711328326.7
Number of Inventors:2
Service Invention or Not:no
Application Date:2017-12-13
Publication Date:2019-09-24
Authorization Date:2019-09-24
The Last Update Time : ..