Patents
一种金属露天矿山坡转入深凹阶段的内排工艺设计方法
Release time:2021-12-09
Hits:
- Type of Patent:
- 国家发明专利
- State of Patent:
- Authorized patents
- Application Number:
- CN2018105640799
- Service Invention or Not:
- no
- Application Date:
- 2018-11-06
- Authorization Date:
- 2020-07-14
