ENTERING EXPLORATION AND DESIGN
New (mistakenly deleted) intellectual property
A care structure for steeply sloped rocky slopes, 5205_1_01
A care structure for steeply sloped rocky slopes 2160_1_01
A method and apparatus for improving the trigger speed and locking force of a speed lock—1_01
An Automatic Monitoring and Early Warning Device and Method for Deformation of the Loosened Zone in Surrounding Rock during Tunnel Construction_02
An Automatic Monitoring and Early Warning Device and Method for Deformation of the Loosened Zone in Surrounding Rock during Tunnel Construction_01
A Sliding-Type Manned Railcar for Use Inside Tunnels_01
A bidirectional sliding, pull-resistant spherical bridge bearing_01
A bidirectional sliding, pull-resistant spherical bridge bearing_01
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