Tang Lei’s patent

1. Utility model patent "Quick hook fastener (ZL00221736.8)"

2. Utility model patent "An integrally cast plane strain test bench (200620073716.5) ”

3. The national invention patent “A composite lining adapted to the later large deformation of the surrounding rock” has been published

4. The national invention patent “Measurement of post-peak constitutive parameters of the surrounding rock” Test method" has been published