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Test Apparatus And Method For Key Roof Block Fall Test Device and Method Based on Bidirectional Static-Dynamic Loading

Release Time:2021-09-14 Hits:
Title:
Test Apparatus And Method For Key Roof Block Fall Test Device and Method Based on Bidirectional Static-Dynamic Loading
Type of Patent:
国际发明专利
Application Number:
PCT/CN2018/085937
Service Invention or Not:
No
First Author:
朱万成