Patents
一种复杂裂隙岩体气压式分隔高压注液装置及其方法
Release time:2021-09-14
Hits:
- Type of Patent:
- 国家发明专利
- Application Number:
- CN201911035977.6
- Authorization number:
- CN201911035977.6
- Service Invention or Not:
- no
- Application Date:
- 2019-10-29
- Authorization Date:
- 2021-06-18
- First Author:
- Li Lianchong
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