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Patents

一种水岩联合注浆填充采场控沉治水方法

Release time:2021-09-14 Hits:
Type of Patent:
国家发明专利
Application Number:
ZL201810285643.3
Service Invention or Not:
no
Application Date:
2018-03-27
Authorization Date:
2019-05-21
First Author:
Li Lianchong