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[Congratulations] Guardex Another patent is authorized by the state
18
2022
/
03
2021 Guardex engineering application review
25
01
[Congratulations] The waterproof seam structure of the deformation joint of Jiagushi building has won the national patent
Review the 2021 event notes and open a new chapter in 2022
[Patent + 1] A maintenance plugging structure with open water leakage on the bottom plate of the elevator shaft
