Patents
一种金属露天矿山坡开采实现快速内排的方法
Release time:2021-12-09
Hits:
- Type of Patent:
- 国家发明专利
- State of Patent:
- Authorized patents
- Application Number:
- CN202010777740.1
- Service Invention or Not:
- no
- Application Date:
- 2020-08-05
- Authorization Date:
- 2021-10-20
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