Beijing
China
3
2024-02-01
The entities that hold a legal rights for patent applications filed by inventor Yan Su:
Su Yan from Beijing, CN has applied for patents for these inventions. The list has both pending applications and granted patents:
Coal uncovering construction method for blasting large cross-section gas tunnels
#2 | 2021-08-12Multi-station concurrent testing method, control station and multi-station concurrent testing apparatus
#3 | 2020-10-08Method and system for panorama stitching of trailer images
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