ES

Erjian SONG

UN Unknown: 1 patents #29,356 of 83,584Top 40%
Overall (All Time): #2,490,438 of 4,157,543Top 60%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11953365 Switching device and a liquid level detection apparatus employing the switching device Hanqin Zhou 2024-04-09