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Inventor

JIA YUNHAI

CN14 patents
⚠️ This page may combine multiple inventors who share the name “JIA YUNHAI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NCS TESTING TECH CO LTD

8 patents

CENTRAL IRON AND STEEL RES INSTITUTE

3 patents

THE NCS TESTING TECH CO LTD

2 patents

BEIJING DIANSHIJINGWEI TECH CO LTD

1 patent