Patents
Current position: Home > Scientific Research > Patents
A sectional modular large-deformation-resistant impact-resistant composite rock bolt and its assembling method
- Release time:2021-04-12
- Hits:
School Sign:
许国安Patent description:
澳大利亚发明专利Type of Patent:
InventState of Patent:
Authorized patentsAuthorization number:
2016365489Number of Inventors:
1Service Invention or Not:
noAuthorization Date:
2016-06-06