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Inventor

ZHAN SONGTAO

CN19 patents
⚠️ This page may combine multiple inventors who share the name “ZHAN SONGTAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

BEIJING SMTP TECH CO LTD

11 patents

SMTP MEDICAL CO LTD

7 patents

JIANGSU SMTP TECH CO LTD

1 patent